B39.5 — Histoplasmosis duboisii
Is B39.5 billable?
Yes — B39.5 is billable for FY2027. B39.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. B39.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.
B39.5 at a glance
| Code | B39.5 |
|---|---|
| Description | Histoplasmosis duboisii |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does B39.5 group to?
B39.5 sits in MDC 18 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 867Other Infectious and Parasitic Diseases Diagnoses with MCCmedical
- 868Other Infectious and Parasitic Diseases Diagnoses with CCmedical
- 869Other Infectious and Parasitic Diseases Diagnoses without CC/MCCmedical
How is B39.5 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to B39.5. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Histoplasmosis › African
- Histoplasmosis › duboisii
Inclusion terms
Alternative wording in documentation that is classified to B39.5.
- African histoplasmosis
Code first — inherited from B39
The underlying condition below must be sequenced before B39.5. B39.5 describes a manifestation and cannot be the principal or first-listed diagnosis.
- associated AIDS (B20)
Use additional code — inherited from Chapter 1
Report an additional code alongside B39.5 to fully describe the condition. B39.5 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Use additional code — inherited from B39
Report an additional code alongside B39.5 to fully describe the condition. B39.5 is sequenced first.
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of B39.5, but a patient may have both at the same time. When documentation supports it, B39.5 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 B39.5, but a patient may have both at the same time. When documentation supports it, B39.5 and the excluded code may both be reported.
How long has B39.5 existed?
B39.5 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.