A4221 Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)

Short descriptor: Supp non-insulin inf cath/wk

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A4221 is the HCPCS Level II code for Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) (2026). It belongs to Section A — Transportation, Medical & Surgical Supplies. Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: DME supplies.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
DME supplies (indicator 34)
Type of Service
Lump-sum purchase of DME, prosthetics, orthotics
Effective Date
2017-01-01
2026 Maintenance
No change this year

References

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A4221 — Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/A4221

Canonical URL: https://icd10codingpro.com/hcpcs-codes/A4221

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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