B97.30
Unspecified retrovirus as the cause of diseases classified elsewhere
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 6 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 6 never code together
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
B95-B97block
Notes
- These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.
Index entries leading here 2
Alongside this code 6 same parent — B97.3
B97.31 Lentivirus as the cause of diseases classified elsewhere B97.32 Oncovirus as the cause of diseases classified elsewhere B97.33 HTLV-I as the cause of diseases classified elsewhere B97.34 HTLV-II as the cause of diseases classified elsewhere B97.35 HIV 2 as the cause of diseases classified elsewhere B97.39 Oth retrovirus as the cause of diseases classified elsewhere
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.