HCPCS Code Q9998

Injection, ustekinumab-aekn (selarsdi), biosimilar, 1 mg
Code effective Jul 01, 2025

HCPCS Section
Miscellaneous Services (Temporary Codes)

Q9998 is a valid 2026 HCPCS code meaning Injection, ustekinumab-aekn (selarsdi), biosimilar, 1 mg or (Inj ustekinumab-aekn, 1 mg) for short. HCPCS Q9998 has been effective since 07/01/2025 and applies to Medical care.


HCPCS Code Details - Q9998

HCPCS Level II Code
Section Q - Miscellaneous Services (Temporary Codes)
HCPCS Code Q9998
Description

Long description:
Injection, ustekinumab-aekn (selarsdi), biosimilar, 1 mg

Short description:
Inj ustekinumab-aekn, 1 mg

HCPCS Pricing indicator 51 - Drugs
Multiple pricing indicator A - Not applicable as HCPCS priced under one methodology
Coverage code C - Carrier judgment
ASC payment group code Effective Jul 01, 2025 - This procedure is approved to be performed in an ambulatory surgical center.
BETOS2 code O1E - Other drugs
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jul 01, 2025
Date added Added Jan 01, 2025

See also

  • HCPCS Q9997 · Injection, ustekinumab-ttwe (pyzchiva), intravenous, 1 mg

  • HCPCS Q9999 · Injection, ustekinumab-aauz (otulfi), biosimilar, 1 mg

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”


HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/3/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.