B39.2

Billable

Pulmonary histoplasmosis capsulati, unspecified

HCC Category Mapping

V24HCC 115 — Pneumococcal Pneumonia, Empyema, Lung Abscess

0.339

ESRDHCC 115 — Pneumococcal Pneumonia, Empyema, Lung Abscess

0.000

What This Code Means

A fungal lung infection caused by Histoplasma capsulatum where it is unclear whether the infection developed suddenly or gradually.

Coding Tips

•Use this code only when the provider has not specified acute versus chronic course
•Query the provider if clinical documentation suggests either acute or chronic presentation

Clinical Significance

Pulmonary histoplasmosis capsulati, unspecified, captures confirmed pulmonary histoplasmosis when chronicity cannot be determined. This code should prompt a provider query, as distinguishing acute from chronic affects treatment decisions and clinical documentation quality measures.

Documentation Requirements

✓Confirmed Histoplasma capsulatum diagnosis via serology, antigen, or culture
✓Pulmonary involvement documented through imaging or respiratory symptoms
✓Provider query initiated and documented regarding acute versus chronic presentation
✓Treatment plan consistent with histoplasmosis management
✓Relevant exposure history or endemic area residence

Commonly Confused Codes

B39.0 (Acute pulmonary histoplasmosis) - use if clinical timeline supports acute presentation B39.1 (Chronic pulmonary histoplasmosis) - use if progressive cavitary disease is documented B39.4 (Histoplasmosis capsulati, unspecified) - even less specific, as it does not specify pulmonary involvement

Code Hierarchy

└B39Histoplasmosis └B39.2Pulmonary histoplasmosis capsulati, unspecified

└B39.2Pulmonary histoplasmosis capsulati, unspecified