No. Q0243 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code.

What is one billing unit of Q0243?

One unit of Q0243 is 2400 mg, as stated in the code's descriptor. Units to report = dose given ÷ 2400 mg.

Q0243 (Retired 2024) — Casirivimab and imdevimab

Q0243 was retired on Dec 12, 2024

CMS ended Q0243 after Dec 12, 2024. Don’t report it for later dates of service. Look up the drug for its current code.

Look up casirivimab and imdevimab

Code

CMS HCPCS file

HCPCS codeQ0243

Billing unit2400 mg

Descriptor: Injection, casirivimab and imdevimab, 2400 mg
Short descriptor: Casirivimab and imdevimab
Code set: HCPCS Level II, maintained by CMS
Effective: Dec 13, 2024

The billing unit is read from the descriptor. Confirm it against the CMS file before billing.

Find the NDC

Med-Code hasn’t mapped Q0243 to specific products yet. Search the FDA NDC Directory for the drug named in the descriptor, and check the route and strength match the code.

Search NDCs for casirivimab and imdevimab

Q0243: common questions

Is Q0243 a CPT code?: No. Q0243 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
What is one billing unit of Q0243?: One unit of Q0243 is 2400 mg, as stated in the code's descriptor. Units to report = dose given ÷ 2400 mg. J-code billing units.

Q0243 — Injection, casirivimab and imdevimab, 2400 mg

Code

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Q0243: common questions

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