IV Vitamins & Supplements — Billing & Coding Reference

About this reference

IV vitamins and individual supplements are a small-dollar, high-touch family on the buy-and-bill pharmacy claim. A monthly cyanocobalamin injection for pernicious anemia reimburses for less than a dollar of drug under Medicare Part B, and most of the “supplements” on this page (multi-vitamin infusion, individual trace elements, sterile water, ascorbic acid) have no dedicated HCPCS J-code at all — they bill under J3490 (NOC non-chemotherapy drug) or J7799 (NOC non-inhalation drug). The reimbursement leverage on this page is not per-dose dollars; it is volume (B12 monthly for a defined pernicious-anemia population), defensive billing (thiamine in ED for Wernicke prevention, glucagon for toxicology), and avoiding the bundling errors (MVI / trace elements separately billed against TPN per-diem).

The dominant rule is route discipline. The HCPCS J-code attaches to the drug; the CPT administration code attaches to the actual route documented in the chart. B12 is almost always IM or deep SC for pernicious anemia — 96372, not 96365. Vitamin K is preferred oral for non-emergent warfarin reversal and only IV for active major bleed (slow infusion, never push, due to anaphylactoid reaction risk on the FDA label). Thiamine is given before or with IV glucose in any patient at Wernicke risk. Glucagon in the ED is IM for hypoglycemia and IV (push plus infusion) for beta-blocker and calcium-channel-blocker toxicity. Leucovorin (folinic acid, J0640) is not the same drug as plain folic acid — the most common coding error in the “folate” column is using J0640 for plain folic acid supplementation.

The second dominant rule is TPN bundling. Adult multi-vitamin infusion (MVI-12 / Infuvite Adult), pediatric multi-vitamins (M.V.I. Pediatric / Infuvite Pediatric), trace element solutions (Multrys / Tralement / Addamel — selenium, zinc, manganese, copper, chromium), and individual electrolyte additives mixed into the parenteral nutrition bag are absorbed into the per-diem payment for TPN (under the parenteral nutrition HCPCS B-code framework for home infusion, or into the facility per-diem / DRG for inpatient TPN). Separately billing J3490 for MVI on a TPN claim is one of the most consistently denied lines in the entire pharmacy-claim universe and is the #1 finding on inpatient TPN audit reviews. The drugs in scope for separate billing are the standalone outpatient injections — the monthly B12, the ED thiamine, the bleed-protocol vitamin K, the toxicology glucagon — not the TPN additives.

Route routing — B12 IM vs IV / Vitamin K oral vs IV FDA labels + AHA/ACC verified May 2026

The two highest-yield disambiguations on this page are B12 route selection and vitamin K route selection. Get these right before you touch the admin code.

Cyanocobalamin / B12 (J3420) — IM vs IV vs SC

Phytonadione / Vitamin K (J3430) — oral vs IV vs SC

Glucagon (J1610) — IM for hypoglycemia, IV for toxicology

Per-drug dosing & typical regimens FDA labels + ASHP standards, verified May 2026

Indication-specific dosing for each drug in scope. Pernicious-anemia B12 is the highest-volume scenario; ED thiamine and toxicology glucagon are the highest-acuity.

Cyanocobalamin / B12 (J3420 per 1000 mcg)

Phytonadione / Vitamin K (J3430 per 1 mg)

Thiamine / B1 (J3411 per 100 mg)

Leucovorin / folinic acid (J0640 per 50 mg)

Glucagon (J1610 per 1 mg)

Levocarnitine / Carnitor (J1955 per 1 g)

Vitamin C / ascorbic acid (J3490 NOC typical)

Multi-vitamin infusion (MVI) & trace elements

NDC reference — common manufacturers FDA NDC Directory verified May 2026

Generic landscape across the board. The big manufacturers are Hospira / Pfizer, Hikma / West-Ward, Fresenius Kabi, American Regent, and Eli Lilly (glucagon). Always submit the 11-digit NDC of the vial actually administered with N4 qualifier.

Cyanocobalamin / B12 (J3420)

Phytonadione / Vitamin K (J3430)

Thiamine / B1 (J3411)

Leucovorin / folinic acid (J0640)

Glucagon (J1610)

Levocarnitine / Carnitor (J1955)

Ascorbic acid / Vitamin C, MVI, trace elements (NOC)

Administration codes — the route matrix CPT 2026 verified May 2026

The most-failed question in this category is matching the CPT admin code to the actual route documented in the nursing note. The matrix below is the whole answer.

The route matrix — which admin code goes with which drug

Worked examples

Hierarchy reminder

When multiple admin services occur on the same encounter, only ONE initial code is reported. The CPT hierarchy is roughly: chemo / highly complex drug administration > therapeutic drug infusion > IV push > SC / IM injection > hydration. The highest-ranking service is the initial code; lower-ranking services become sequential / additional. In the glucagon BB-toxicity case above, the IV infusion (96365) is the initial; the IV push (96375 sequential, not 96374 initial) and any IM injection are reported as sequential / concurrent.

Modifiers CMS verified May 2026

JW / JZ rarely apply here because most products are multi-dose vials (B12, thiamine 10 mL multi-dose, ascorbic acid 50 mL). The exceptions are single-dose vitamin K ampules and single-dose leucovorin vials — both small enough that vial waste is usually negligible but JZ may still be required.

JW / JZ (waste / no-waste)

CMS’s July 2023 single-dose container waste policy requires JW (waste) or JZ (no waste) on every separately payable J-code claim from a single-dose vial or container. Most of the drugs on this page ship in multi-dose vials (B12 10 mL / 30 mL, thiamine 10 mL, ascorbic acid 50 mL, glucagon 10 mL reconstituted) and the single-dose policy does not apply. The exceptions:

• Phytonadione (J3430) ships in single-dose ampules (1 mg / 10 mg). JZ applies when the entire ampule is used; JW applies if any volume is discarded (rare given the small ampule size).
• Leucovorin (J0640) ships in single-dose vials (50 mg / 100 mg / 200 mg / 350 mg). The 5-FU regimen leucovorin dose (typically 400 mg/m²) often requires combining vials with some discard; JW may apply for the discarded mg with the standard two-line paid-units / discarded-units pattern.
• Levocarnitine (J1955) ships in single-dose 5 mL vials (1 g each). At the standard 1 g doses, JZ is correct (full vial used).

Place-of-service modifiers (POS)

POS routing matters here because TPN context determines whether MVI / trace lines are bundled. POS 11 office (B12 monthly), POS 23 ED (thiamine / vitamin K / glucagon acute), POS 22 hospital outpatient (less common standalone), POS 12 home (home infusion TPN context), POS 31 / 32 SNF / nursing home (PDPM-bundled). POS 65 (ESRD treatment facility) is the key marker for ESRD-context levocarnitine that’s bundled into the dialysis PPS.

Modifier 25 — same-day E/M

Use modifier 25 on the same-day E/M code (e.g., 99213-99215 office, 99281-99285 ED) when a significant, separately identifiable evaluation and management service was performed alongside the injection or infusion. Required to support payment of the E/M alongside the admin code.

340B (JG / TB)

340B modifier reporting follows current OPPS rules in the hospital outpatient setting. At the commodity-generic price points of B12, thiamine, leucovorin, and similar products, the financial difference is minimal. Verify current MAC convention.

ICD-10-CM by indication FY2026 verified May 2026

Deficiency, toxicity, and metabolic indication codes for each drug. Pair the specific ICD-10 with the drug; non-specific codes (e.g., E61.9 unspecified mineral deficiency) are weak medical-necessity support.

Site of care & TPN bundling CMS verified May 2026

Where the drug is given controls how it pays. The big distinctions on this page are office vs ED (separately payable) vs inpatient (DRG-bundled) vs TPN context (per-diem-bundled) vs dialysis context (ESRD-PPS-bundled).

The TPN bundling rule in detail

Adult and pediatric parenteral nutrition is billed under the parenteral / enteral nutrition framework. In the home infusion setting, daily TPN per-diems (S9364 / S9365 / S9366) and the parenteral nutrition solution / additive HCPCS B-codes (B4185 / B4189 / B4193 / B4197 / B4199 for various amino-acid / dextrose / lipid formulations) include the MVI, trace elements, individual electrolytes, and additives mixed into the bag. The DME MAC parenteral nutrition LCD specifically lists vitamins and trace elements as included in the per-diem; separate billing of J3490 for MVI or for an individual trace element on the same date as the TPN per-diem is denied as bundled. Inpatient TPN is absorbed into the MS-DRG the same way other inpatient drugs are.

The ESRD bundling rule

End-stage renal disease drugs furnished in the dialysis facility are subject to the ESRD Prospective Payment System consolidated billing requirement. Levocarnitine for the ESRD indication is one of the drugs explicitly within the ESRD bundle — the dialysis facility bills, payment is the bundled per-treatment ESRD PPS rate, and separate J1955 lines for the ESRD context are not paid. Non-ESRD indications (VPA toxicity in ED, primary carnitine deficiency, inborn errors) are outside the ESRD PPS and remain separately payable Part B drugs with documentation of the non-ESRD indication.

Claim form field mapping CMS verified May 2026

CMS-1500 / 837P for office and home infusion. UB-04 / 837I for hospital outpatient, ED, inpatient, dialysis facility.

CMS-1500 / 837P (office, freestanding infusion, home)

UB-04 / 837I (hospital outpatient, ED, inpatient, dialysis)

Payer policy snapshot Reviewed May 2026

Commercial payers broadly follow Medicare. The high-friction areas are vitamin C for sepsis (denied), MVI / trace billed separately on TPN claims (denied as bundled), and leucovorin used for off-label folate (downcoded).

The sepsis vitamin C trial timeline (why it’s denied)

The Marik 2017 retrospective study suggested a mortality benefit from hydrocortisone + ascorbic acid + thiamine (HAT) in septic shock and triggered widespread adoption. Subsequent prospective randomized trials — VITAMINS (JAMA 2020), VICTAS (JAMA 2021), ACTS (JAMA 2020), and LOVIT (NEJM 2022) — failed to demonstrate the mortality benefit, and LOVIT specifically showed a signal toward harm in the high-dose vitamin C arm. Most payers updated medical policies 2021-2023 to consider IV vitamin C for septic shock investigational / not medically necessary. Continued billing of J3490 for HAT-protocol vitamin C in septic shock encounters is denied at most payers and most MAC jurisdictions.

Step therapy

Oral repletion is the preferred first-line for non-symptomatic ambulatory deficits where absorption is intact (oral B12 for non-pernicious-anemia deficiency, oral folate for nutritional deficiency, oral thiamine for maintenance, oral vitamin K for non-emergent warfarin reversal). IV replacement is supported by symptomatic disease, severe deficit, malabsorption, NPO status, acute toxicology, or oral failure. Payers may downcode IV when oral is clinically appropriate.

Medicare reimbursement CMS Q2 2026 (live)

ASP from the CMS Part B Drug ASP Pricing File. Refreshes automatically each quarter. Per-unit rates are very small for B12 / thiamine / vitamin K; glucagon and carnitine are the higher-dollar items in this family.

Full Q2 2026 ASP table

Per-dose payment examples

• Monthly B12 IM (pernicious anemia, 1000 mcg): 1 unit J3420 + 96372 admin = approximately a dollar of drug + the admin code allowance. Annual drug cost approximately $8 in ASP terms; the admin code and the office E/M are the bulk of the revenue.
• ED thiamine (500 mg in 100 mL NS over 30 min): 5 units J3411 + 96365 admin = approximately $7.77 in drug ASP + the ED facility admin code revenue.
• Vitamin K active bleed (10 mg IV): 10 units J3430 + 96365 admin = approximately $31.56 in drug ASP + the ED facility admin code.
• Glucagon BB toxicity (5 mg push + 5 mg/hr × 4 hr = 25 mg total): 25 units J1610 = approximately $3,658.30 in drug ASP — the only meaningful drug-dollar line in the family.
• Levocarnitine VPA toxicity (100 mg/kg load + every 8 hr maintenance): dose-dependent; a 70 kg patient at 7 g load = 7 units J1955 = approximately $161.61 per dose.
• Leucovorin chemo modulator (400 mg/m² on 1.7 m² BSA = 680 mg): 14 units J0640 (rounded; 50 mg per unit, includes vial-waste mg) = approximately $50.27 per chemo cycle.

Sequestration

Standard ~2% Medicare sequestration applies to separately payable J-lines, bringing effective payment to roughly ASP + 4.3%. In TPN-bundled, ESRD-bundled, or DRG-bundled contexts, sequestration is applied at the per-diem / bundle level, not at the individual drug line.

Code history and stability

• J3420, J3430, J3411, J0640, J1610, J1955 — permanent CMS HCPCS Level II codes; descriptors and per-unit denominators stable
• J3490 / J7799 — permanent NOC codes; used for ascorbic acid, MVI, trace elements, individual electrolyte additives, sterile water, and any non-J-coded vitamin / supplement; pricing is by MAC determination from invoice; TPN-context use is bundled into parenteral nutrition per-diem regardless of the J-code on the chargemaster
• Next ASP update: July 1, 2026 for Q3 2026

Patient assistance Reviewed May 2026

Essentially none. This is a commodity-generic category with no manufacturer copay cards, no foundation funds, and minimal patient OOP given the low per-dose ASP rates.

• No manufacturer PAP for B12, thiamine, vitamin K, leucovorin, glucagon, levocarnitine, MVI, or trace elements as a category. All are commodity generics produced by multiple manufacturers (American Regent, Hospira / Pfizer, Hikma, Fresenius Kabi, others). No copay cards, no free-drug programs, no foundation funds specific to these products.
• Patient OOP flows through the facility / E&M math. A monthly B12 IM at a PCP office: patient’s 20% Part B coinsurance on the office visit + drug + admin code, not a drug-specific copay program. An ED thiamine: patient’s ED facility coinsurance, not a drug program.
• Brand-specific exception: Carnitor (levocarnitine). Leadiant Biosciences markets the Carnitor brand and historically operated a patient access program for primary carnitine deficiency (an ultra-rare inborn error). Coverage and access programs are patient-population-specific (e.g., metabolic specialist referrals) and operate on a case-by-case basis through Leadiant patient services rather than as a general copay card. Verify current Carnitor patient services status at time of need.
• Brand-specific exception: Lilly Glucagon Emergency Kit. Eli Lilly operates general patient assistance for Lilly products through the Lilly Cares Foundation; for glucagon, the emergency-kit form is typically covered as a pharmacy-benefit dispense (Baqsimi nasal / Gvoke auto-injector are pharmacy benefit) and copay assistance flows through those programs, not buy-and-bill.
• Hospital financial assistance / charity care. For uninsured / underinsured patients with ED encounters involving any of these drugs, hospital 501(r) financial assistance programs are the appropriate safety net for the encounter charges (not the drug line).
• 340B for the facility. 340B-participating hospitals purchase these drugs at 340B-discounted pricing; facility economics rather than patient OOP.

Common denials & how to fix them Reviewed May 2026

Frequently asked questions

B12 IM vs IV — which CPT admin code?

Cyanocobalamin (J3420) is almost always given IM or deep SC, not IV. The IM / SC injection admin code is 96372 (therapeutic / prophylactic / diagnostic injection, IM or SC) — not 96365 (therapeutic IV infusion) and not 96374 (IV push). Billing 96365 for a B12 IM injection is one of the most common denials in this family. If the rare IV-push B12 is documented, use 96374. The J-code stays J3420 in all three routes; only the admin code changes.

Vitamin K — oral or IV?

For non-bleeding warfarin reversal or routine INR over-correction, oral phytonadione is preferred and is nearly as effective as IV for warfarin reversal within 24 hours, with no anaphylactoid reaction risk. Reserve IV vitamin K (J3430, per 1 mg) for active major bleeding or urgent reversal where oral is too slow; combine with 4-factor PCC (Kcentra) for true emergent reversal. IV phytonadione must be diluted and given slowly (over at least 20-30 minutes) — direct IV push is contraindicated by the FDA label. Admin code is 96365 for the slow IV infusion.

MVI in TPN — separately billable?

No — generally not. Adult multi-vitamin infusion (MVI-12 / Infuvite Adult), trace elements (Multrys / Tralement / Addamel), and individual additives mixed into the TPN bag are bundled into the parenteral nutrition per-diem (home infusion: S9364/S9365 + B-codes; inpatient: MS-DRG). Separately billing J3490 for MVI on a TPN claim is a top denial. The exception is intermittent IV MVI given outside a TPN bag — rarely encountered.

IV vitamin C for sepsis — covered?

Generally no. After the negative VITAMINS, VICTAS, ACTS, and LOVIT trials, most payers including Medicare do not consider IV ascorbic acid for septic shock medically necessary. The drug has no dedicated J-code (bill J3490 NOC) and is routinely denied as experimental / investigational when the indication is septic shock. Covered indications remain documented scurvy (E54) and severe vitamin C deficiency; wellness-clinic high-dose use is essentially cash-pay.

Carnitine for ESRD — separately billable?

No. Levocarnitine (Carnitor, J1955) for ESRD-associated carnitine deficiency furnished in the dialysis facility is within the ESRD PPS consolidated billing requirement — the dialysis facility bills, payment is bundled into the ESRD per-treatment rate, and separate J1955 lines for ESRD context are not paid. Non-ESRD indications (VPA toxicity, primary carnitine deficiency) remain separately payable Part B with appropriate non-ESRD ICD-10 documentation.

Glucagon — how is EMS administration billed?

EMS pre-hospital glucagon administration before ED arrival is bundled into the ambulance transport payment (A0426 / A0427 / A0429) and is not separately billable by the EMS agency as a drug line. Glucagon given in the ED is billed separately as J1610 + the appropriate admin code: 96372 (IM, for severe hypoglycemia without IV access), 96374 + 96365 (IV push + infusion, for BB / CCB toxicology protocol).

Folate vs leucovorin?

Two different drugs. Plain folic acid (vitamin B9) for nutritional deficiency has no dedicated HCPCS J-code; IV form bills as J3490 / J7799 NOC by MAC convention. Leucovorin calcium (folinic acid, J0640, per 50 mg) is the reduced folate metabolite that bypasses dihydrofolate reductase — used for methotrexate rescue, as the 5-FU biochemical modulator in colorectal regimens (FOLFOX / FOLFIRI / FOLFIRINOX), and as the antidote for trimethoprim / pyrimethamine bone-marrow toxicity. Coding plain folic acid as J0640 is incorrect.

IV thiamine in the ED for Wernicke prevention — covered?

Yes — IV thiamine (J3411) for at-risk patients (alcohol use disorder, hyperemesis, malnutrition, post-bariatric surgery presenting with neurological signs) is covered with the appropriate ICD-10 (E51.2 Wernicke, E51.11/E51.12 beriberi, E51.8/E51.9 thiamine deficiency, F10.x alcohol use disorder, K91.2 post-surgical malabsorption, O21.x hyperemesis). The clinical rule is to give thiamine before or with IV glucose in any at-risk patient. Admin code is 96365 for the typical 100-500 mg over 30 minutes; 96374 if pushed.

Pediatric trace elements — separately billable?

Generally no when given as part of TPN. Pediatric trace element solutions and individual trace elements added to neonatal / pediatric TPN bags are bundled into the parenteral nutrition per-diem the same way adult MVI and trace elements are. Recent FDA shortage-driven neonatal formulation changes (manganese, copper, aluminum content) have not changed the billing logic.

Iron products — covered on this rollup?

No. IV iron has dedicated CareCost pages: Injectafer (ferric carboxymaltose, J1439), Monoferric (ferric derisomaltose, J1437), Feraheme (ferumoxytol, Q0138), INFeD (iron dextran, J1750), and Venofer (iron sucrose, J1756). The vitamins & supplements rollup intentionally excludes iron products to avoid duplicating the dedicated coverage.

What’s the right route matrix when I’m unsure?

96365 / 96366 for IV bag infusions of a drug (30+ min). 96374 / 96375 for IV push of a drug. 96372 for IM or deep SC injections. 96369 / 96370 / 96371 for continuous SC. The J-code never changes with route; only the admin code does. Pull the nursing note for the documented route before locking the admin code.

Source documents

1. AMA — CPT 2026 Professional Edition (96365 / 96366 / 96369-96371 / 96372 / 96374 / 96375 descriptors and parenthetical notes)
   Therapeutic injection / infusion / push administration code definitions and hierarchy; primary source for the route-matrix at the heart of this page
2. CMS — Medicare Part B Drug ASP Pricing File (Q2 2026)
   Quarterly ASP+6% rates for J3420 / J3430 / J3411 / J0640 / J1610 / J1955; effective April 1 – June 30, 2026
3. CMS — ESRD Prospective Payment System overview & consolidated billing requirement
   Framework for ESRD-bundled levocarnitine billing in dialysis-facility context
4. CMS — Medicare DME MAC Parenteral and Enteral Nutrition LCD & policy article
   Specifies that MVI, trace elements, and additives are included in the parenteral nutrition per-diem; framework for TPN bundling
5. FDA — Drugs@FDA (cyanocobalamin, phytonadione, thiamine, leucovorin, glucagon, levocarnitine, ascorbic acid, MVI, trace elements)
   FDA-approved labels for each drug in scope; multiple manufacturer labels
6. DailyMed — current product labels for B12, vitamin K, thiamine, leucovorin, glucagon, carnitine, MVI
   Current labels, NDCs, package inserts (American Regent, Hospira / Pfizer, Hikma, Fresenius Kabi, Eli Lilly, Leadiant, Accord, Teva)
7. ASPEN — Parenteral Nutrition guidelines (adult and pediatric)
   Standards for MVI / trace element content in TPN; refeeding-syndrome thiamine prophylaxis; pediatric trace element formulation changes
8. ASHP — Standardize 4 Safety: vitamin K, glucagon, thiamine continuous infusions
   National standards for vitamin / glucagon admin practices
9. VITAMINS trial (JAMA 2020) — vitamin C, hydrocortisone, thiamine in septic shock
   Negative trial; basis for non-coverage of HAT-protocol vitamin C in sepsis
10. LOVIT trial (NEJM 2022) — high-dose IV vitamin C in septic shock
    Signal toward harm; reinforced payer non-coverage decisions for IV vitamin C in sepsis
11. ACC / AHA — warfarin INR over-correction and reversal guidance
    Oral vs IV phytonadione decision framework for bleeding / non-bleeding warfarin reversal
12. CMS — JW / JZ modifier policy (CR 12056, eff. July 2023)
    Single-dose container waste-reporting policy; applies to phytonadione ampules and leucovorin vials in this category
13. CMS — HCPCS Level II Quarterly Updates
14. FDA National Drug Code Directory

Refresh cadence

Change log

• May 22, 2026 — Initial publication. Wave 8 commodity rollup. ASP data: Q2 2026 for J3420 / J3430 / J3411 / J0640 / J1610 / J1955. Built per drug-library-completion-plan.md Wave 8 spec. Iron products excluded (dedicated pages: Injectafer / Monoferric / Feraheme / INFeD / Venofer).

Methodology

Every claim on this page is sourced inline. Pricing reflects the current CMS Part B Drug ASP Pricing File. ESRD bundling logic is read directly from CMS ESRD PPS guidance. TPN bundling logic is read directly from the DME MAC parenteral nutrition LCD. CPT admin code descriptors and route hierarchy are read directly from the AMA CPT Professional Edition. Indication lists and dosing are verified against current FDA labels and current ASPEN / ASHP / ACC-AHA guidance. Coverage rationale for IV vitamin C in sepsis cites the published VITAMINS / VICTAS / ACTS / LOVIT trial record. We do not paraphrase from billing-software vendor blogs.