1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B35-B49 Mycoses
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4. B45- Cryptococcosis
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2019 ICD-10-CM Diagnosis Code B45.3

Osseous cryptococcosis

2016 2017 2018 2019 Billable/Specific Code

• B45.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2019 edition of ICD-10-CM B45.3 became effective on October 1, 2018.
• This is the American ICD-10-CM version of B45.3 - other international versions of ICD-10 B45.3 may differ.

• Cryptococcosis of bone

• 793 Full term neonate with major problems
• 867 Other infectious and parasitic diseases diagnoses with mcc
• 868 Other infectious and parasitic diseases diagnoses with cc
• 869 Other infectious and parasitic diseases diagnoses without cc/mcc
• 974 Hiv with major related condition with mcc
• 975 Hiv with major related condition with cc
• 976 Hiv with major related condition without cc/mcc

Convert B45.3 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change

• Type 1 Excludes: M90
  ICD-10-CM Diagnosis Code M90

  Osteopathies in diseases classified elsewhere

  2016 2017 2018 2019 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • osteochondritis, osteomyelitis, and osteopathy (in):
  • cryptococcosis (B45.3)
  • diabetes mellitus (E08-E13 with .69-)
  • gonococcal (A54.43)
  • neurogenic syphilis (A52.11)
  • renal osteodystrophy (N25.0)
  • salmonellosis (A02.24)
  • secondary syphilis (A51.46)
  • syphilis (late) (A52.77)

• Buschke's
  • disease B45.3
• Busse-Buschke disease B45.3
• Cryptococcosis, cryptococcus (infection) (neoformans) B45.9
  ICD-10-CM Diagnosis Code B45.9

  Cryptococcosis, unspecified

  2016 2017 2018 2019 Billable/Specific Code
  • bone B45.3
  • osseous B45.3

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.