ICD-10-CM › A00-B99 › B35-B49 › B codes › B45

B45

Cryptococcosis

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 7 more specific codes instead:

  • B45.0 Pulmonary cryptococcosis
  • B45.1 Cerebral cryptococcosis
  • B45.2 Cutaneous cryptococcosis
  • B45.3 Osseous cryptococcosis
  • B45.7 Disseminated cryptococcosis
  • B45.8 Other forms of cryptococcosis
  • B45.9 Cryptococcosis, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Cryptococcosis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from the B35-B49 section Mycoses (B35-B49)

Excludes2 - not included here

  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)