Need help choosing the right code?
Ask CasePilot about procedures, modifiers, bundling, and coding guidance.
Try CasePilot© Copyright 2026 American Medical Association. All rights reserved.
| Short Descr | CD4+ CELL COUNT >= 500 CELLS | Medium Descr | CD4+ CELL COUNT >= 500 CELLS/MM | Long Descr | CD4+ cell count >=500 cells/mm3 (HIV) | Status Code | Not Valid for Medicare Purposes | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 9 - Not Applicable | Multiple Procedures (51) | 9 - Concept does not apply. | Bilateral Surgery (50) | 9 - Concept does not apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 9 - Concept does not apply. | Co-Surgeons (62) | 9 - Concept does not apply. | Team Surgery (66) | 9 - Concept does not apply. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | Non-Covered Service, not paid under OPPS | Type of Service (TOS) | 1 - Medical Care | Berenson-Eggers TOS (BETOS) | Z2 - Undefined codes | MUE | Not applicable/unspecified. |
|
Date
|
Action
|
Notes
|
|---|---|---|
| 2024-01-01 | Changed | Long Description changed. |
| 2020-01-01 | Changed | Code description changed. |
| 2018-01-01 | Changed | Code description changed. |
| 2017-01-01 | Changed | Symbol changed in long description per CPT errata dated 2016-10-17 but not marked as change in CPT book. |
| 2016-01-01 | Changed | Code description changed. |
| 2015-01-01 | Changed | Code description changed. |
| 2013-01-01 | Changed | Medium Descriptor changed. |
| 2011-01-01 | Changed | Medium description changed. Short description changed. |
| 2010-01-01 | Added | First appearance in code book in 2010. |
| 2009-01-01 | Added | - |
Get instant expert-level medical coding assistance.