HCPCS Code J9332: Injection, efgartigimod alfa-fcab, 2 mg
HCPCS Code J9332 reports injection of efgartigimod alfa-fcab, 2 mg (brand name Vyvgart), administered intravenously. It applies exclusively to the IV formulation. The subcutaneous version, Vyvgart Hytrulo, carries a separate code, J9334, and conflating the two creates claim denials that are slow to correct. This guide covers the code description, Medicare fee schedule methodology, applicable […]
HCPCS code G9920: Dementia screening billing guide (negative result)
HCPCS code G9920 documents that a clinician screened a patient with dementia for behavioral and psychiatric symptoms and the result was negative. This guide covers G9920’s actual clinical purpose under MIPS Measure #283, how it differs from companion codes G9919 and G9921, when to report it, the documentation required, how it connects to Medicare’s quality […]
HCPCS code S0189: Deleted and replaced by J1073 in 2026
HCPCS code S0189, the standard code for a 75 mg testosterone pellet, was deleted effective December 31, 2025. CMS has given this cycle no grace period: any claim dated January 1, 2026 or later that still lists S0189 will be rejected outright, not adjusted. This guide covers what replaced S0189, the CPT code it pairs […]
HCPCS Code J0640: Leucovorin calcium injection billing guide
HCPCS Code J0640: Definition and official descriptor Most leucovorin calcium denials trace back to a single documentation gap: The claim arrives without a linked NDC number or a supporting ICD-10 diagnosis, and the payer has no basis to approve it. HCPCS Code J0640 covers injection of leucovorin calcium per 50 mg. It is a Level […]
HCPCS Code A6010: Collagen wound filler billing guide [year]
Wound care billing denials often trace back to a single misstep: Documenting grams applied instead of calculating units correctly, or reaching for A6011 when the product in hand is a dry powder. HCPCS Code A6010 covers collagen based wound filler in dry form only, billed per gram of collagen, under Medicare Part B’s surgical dressings […]
HCPCS Code A4263: Billing guide for permanent punctal plug insertion
HCPCS Code A4263: Definition and clinical description Claim denials for punctal plug procedures are rarely about the procedure itself. They are almost always about the supply code – wrong code selected, modifier missing, or diagnosis not linked. HCPCS Code A4263 is a Level II HCPCS supply code maintained by the Centers for Medicare and Medicaid […]
HCPCS Code A4232: Syringe with needle for external insulin pump
HCPCS code A4232 describes a sterile syringe with needle made specifically for use with an external insulin pump. It’s a narrow, single-purpose code, but it sits at the center of a coding mistake that’s more common than it should be: billing it to a payer that will never pay it. Original Medicare does not pay […]
HCPCS Code K0001: Standard wheelchair billing guide [year]
HCPCS Code K0001 is the billing code for a standard wheelchair, a Level II Healthcare Common Procedure Coding System (HCPCS) code rather than a CPT code. It’s one of the most frequently billed durable medical equipment (DME) codes in Medicare, used by DME suppliers, HME providers, and practice managers handling DMEPOS claims. Most K0001 denials […]
HCPCS code B4152: Enteral formula billing guide
HCPCS code B4152 describes enteral formula that is nutritionally complete and calorically dense (equal to or greater than 1.5 kcal/mL), billed 100 calories = 1 unit. Medicare covers it under the Prosthetic Device benefit, not the DME benefit. Even so, the DME MACs – CGS and Noridian – still process the claims. HCPCS code B4152: […]
HCPCS H0014: Ambulatory alcohol and/or drug detox
HCPCS Code H0014 is a HCPCS Level II code maintained by CMS, the Centers for Medicare and Medicaid Services, to report ambulatory detoxification services for alcohol and drug use disorders. The official description is: Alcohol and/or drug services; ambulatory detoxification. HCPCS Code H0014: Clinical description HCPCS Code H0014 (Alcohol and/or drug services; ambulatory detoxification) is […]