B45.1: Cerebral cryptococcosis
B45.1 is a billable, specific ICD-10-CM code for cerebral cryptococcosis. It is valid for submission on a claim.
Check B45.1 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Cryptococcal meningitis
- Cryptococcosis meningocerebralis
Other codes that can never be billed with B45.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- G02Meningitis in other infectious and parasitic diseases classified elsewhere
Risk adjustment
B45.1 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 6 Opportunistic Infections0.381 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
B45.1 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56551Billing and Coding: Visual Fields Testing
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56612Billing and Coding: CT of the Head
- A56799Billing and Coding: Visual Fields Testing
Alphabetic index entries that lead here
- Cryptococcosis, cryptococcus›cerebral
- Cryptococcosis, cryptococcus›meningitis
- Cryptococcosis, cryptococcus›meningocerebralis
- Encephalitis›Torula, torular(cryptococcal)
- Meningitis›cryptococcal
- Meningitis›Torula histolytica(cryptococcal)
- Meningomyelitis›cryptococcal
- Meningoencephalomyelitis›due to›Torula
Code history
Unchanged in every release from FY2024 to FY2027.