Elcys (cysteine hydrochloride) NDC 51754-1008

NDC codes

FDA NDC Directory

Product NDC (as listed)51754-1008Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51754-1008Add the package segment from the table below.

Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC	11-digit (billing)	Package	Copy
51754-1008-1	51754100801	1 VIAL in 1 CARTON (51754-1008-1) / 50 mL in 1 VIALMarketed from Jan 1, 2024

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary): Elcys
Generic name (nonproprietary): cysteine hydrochloride
Active ingredients: Cysteine hydrochloride — 50 mg/mL
Dosage form: Injection, Solution
Route: Intravenous
Labeler: Exela Pharma Sciences, LLC
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 210660
Marketing start: Dec 12, 2023
Listing expires: Dec 31, 2027
Identifiers: Product ID 51754-1008_5e7be8d4-66c2-4bab-849f-46eaac9996cbSPL ID 5e7be8d4-66c2-4bab-849f-46eaac9996cbSPL set ID 52317b38-b2e6-4a1c-b5b0-43cada0d205eRxCUI 1486165, 2671585UNII ZT934N0X4W

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N451754100801 followed by a unit qualifier and the quantity

Package 51754-1008-01. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective Apr 9, 2026.

Indications (excerpt from the label)

ELCYS ® is indicated for use as an additive to amino acid solutions to meet the nutritional requirements of newborn infants requiring total parenteral nutrition (TPN); and of adult and pediatric patients with severe liver disease who may have impaired enzymatic processes and require TPN. It can also be added to amino acid solutions to provide a more complete profile of amino acids for protein synthesis. ELCYS ® is a sulfur-containing amino acid indicated to meet the nutritional requirements of newborn infants requiring total parenteral nutrition (TPN); and of adult and pediatric patients with severe liver disease who may have impaired enzymatic processes and require TPN. It can also be added…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under NDA 210660

Products listed under the same FDA application: other strengths and forms, and repackagers who relabel the same product.

FDA NDC Directory listings under NDA 210660
Product	Strength	Form · route	Labeler	Product NDC
Elcyscysteine hydrochloride	Cysteine hydrochloride 10 mg/mL	Injection, SolutionIntravenous	Exela Pharma Sciences, LLC	51754-1007