Cryptococcosis (B45) ICD-10-CM
The B45 code range covers cryptococcosis with 8 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the B45 Range 8 codes · 7 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the B45 range.
Cryptococcosis
Fungal infection caused by genus CRYPTOCOCCUS.
About the B45 Code Range
Cryptococcosis is a fungal infection caused by Cryptococcus. It belongs to the mycoses group of fungal infections.
The subdivisions identify where the infection occurs: the lungs in B45.0, brain in B45.1, skin in B45.2, or bones in B45.3. B45.7 describes disseminated, or spread, cryptococcosis. B45.8 identifies other forms, while B45.9 leaves the form unspecified.
Questions About This Page
How many billable codes are in the B45 range?
Of the 8 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the B45 range classify?
The range classifies cryptococcosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
