All ICD10 Codes

B45

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Cryptococcosis

Use a more specific code (7 billable)
B45.0Pulmonary cryptococcosisB45.1Cerebral cryptococcosisB45.2Cutaneous cryptococcosisB45.3Osseous cryptococcosisB45.7Disseminated cryptococcosisB45.8Other forms of cryptococcosisB45.9Cryptococcosis, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

B35-B49 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B35-B49Mycoses (B35-B49)
B45CryptococcosisNot billable
B45.0Pulmonary cryptococcosisBillable
B45.1Cerebral cryptococcosisBillable
B45.2Cutaneous cryptococcosisBillable
B45.3Osseous cryptococcosisBillable
B45.7Disseminated cryptococcosisBillable
B45.8Other forms of cryptococcosisBillable
B45.9Cryptococcosis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B45:

blockB35-B49
Mycoses (B35-B49)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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