Aortic aneurysm 5.5 - 5.9 cm maximum diameter on centerline formatted ct or minor diameter on axial formatted ct
Code effective Jan 01, 2016
HCPCS Section
Procedures/Professional Services (Temporary Codes)
G9598 is a valid 2026 HCPCS code meaning Aortic aneurysm 5.5 - 5.9 cm maximum diameter on centerline formatted ct or minor diameter on axial formatted ct or (Aor ane 5.5-5.9 cm max diam) for short. HCPCS G9598 has been effective since 01/01/2016 and applies to Medical care.
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HCPCS Level II Code Section G - Procedures/Professional Services (Temporary Codes) |
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| HCPCS Code | G9598 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
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| Multiple pricing indicator |
9 - Not applicable as HCPCS not priced separately by part B or value is not established
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| Coverage code | C - Carrier judgment |
| BETOS2 code | Z2 - Undefined codes |
| HCPCS Action code | N - No maintenance for this code |
| Type of service | 1 - Medical care |
| Effective date | Effective Jan 01, 2016 |
| Date added | Added Jan 01, 2016 |
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.