B39 — Histoplasmosis
Is B39 billable?
No — B39 is a non-billable header code. B39 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath B39.
Billable codes under this header
B39 at a glance
| Code | B39 |
|---|---|
| Description | Histoplasmosis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code first
The underlying condition below must be sequenced before B39. B39 describes a manifestation and cannot be the principal or first-listed diagnosis.
- associated AIDS (B20)
Use additional code
Report an additional code alongside B39 to fully describe the condition. B39 is sequenced first.
Use additional code — inherited from Chapter 1
Report an additional code alongside B39 to fully describe the condition. B39 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of B39, but a patient may have both at the same time. When documentation supports it, B39 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Excludes2 — not included here — inherited from B35-B49
The conditions below are not part of B39, but a patient may have both at the same time. When documentation supports it, B39 and the excluded code may both be reported.
What codes fall under B39? (7)
How long has B39 existed?
B39 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.