B39.3 — Disseminated histoplasmosis capsulati
B39.3 is a billable, specific ICD-10-CM code for disseminated histoplasmosis capsulati. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Generalized histoplasmosis capsulati
Risk adjustment
B39.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
B39.3 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
- A57206Billing and Coding: Lumbar MRI
How B39.3 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B39.3.
- Histoplasmosis›capsulati›disseminated
- Histoplasmosis›capsulati›generalized
Related codes at this level
Codes that share B39. If B39.3 is not quite right, the correct code is usually one of these.
Questions about B39.3
- Is B39.3 a billable ICD-10-CM code?
- Yes. B39.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B39.3 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).