Unclassified drugs or biologicals
Code effective Jan 01, 2004
HCPCS Section
Temporary Codes for Use with Outpatient Prospective Payment System
C9399 is a valid 2026 HCPCS code meaning Unclassified drugs or biologicals or (Unclassified drugs or biolog) for short. HCPCS C9399 has been effective since 01/01/2004 and applies to Medical care.
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HCPCS Level II Code Section C - Temporary Codes for Use with Outpatient Prospective Payment System |
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| HCPCS Code | C9399 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
53 - Statute
|
| Multiple pricing indicator |
A - Not applicable as HCPCS priced under one methodology
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| Statute number | 621MMA |
| Coverage code | D - Special coverage instructions apply |
| ASC payment group code | Effective Jan 01, 2008 - 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 Jan 01, 2004 |
| Date added | Added Jan 01, 2004 |
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 6/23/2026
CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.