1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B00-B09 Viral infections characterized by skin and mucous membrane lesions
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4. B05- Measles
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5. 2022 ICD-10-CM Diagnosis Code B05.1

2022 ICD-10-CM Diagnosis Code B05.1

Measles complicated by meningitis

2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

• B05.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2022 edition of ICD-10-CM B05.1 became effective on October 1, 2021.
• This is the American ICD-10-CM version of B05.1 - other international versions of ICD-10 B05.1 may differ.

• 791 Prematurity with major problems
• 793 Full term neonate with major problems
• 865 Viral illness with mcc
• 866 Viral illness without mcc

Convert B05.1 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
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change

• Type 1 Excludes: A87
  , G04.01
  , G02
  ICD-10-CM Diagnosis Code A87

  Viral meningitis

  2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • meningitis due to herpesvirus [herpes simplex] (B00.3)
  • meningitis due to herpesvirus [herpes simplex] (B00.3)
  • meningitis due to measles virus (B05.1)
  • meningitis due to mumps virus (B26.1)
  • meningitis due to poliomyelitis virus (A80.-)
  • meningitis due to zoster (B02.1)
  ICD-10-CM Diagnosis Code G04.01

  Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Type 1 Excludes

  • post chickenpox encephalitis (B01.1)
  • post measles encephalitis (B05.0)
  • post measles myelitis (B05.1)
  ICD-10-CM Diagnosis Code G02

  Meningitis in other infectious and parasitic diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • African trypanosomiasis (B56.-)
  • poliovirus infection (A80.-)

  Type 1 Excludes

  • candidal meningitis (B37.5)
  • coccidioidomycosis meningitis (B38.4)
  • cryptococcal meningitis (B45.1)
  • herpesviral [herpes simplex] meningitis (B00.3)
  • infectious mononucleosis complicated by meningitis (B27.- with fifth character 2)
  • measles complicated by meningitis (B05.1)
  • meningoencephalitis and meningomyelitis in other infectious and parasitic diseases classified elsewhere (G05)
  • mumps meningitis (B26.1)
  • rubella meningitis (B06.02)
  • varicella [chickenpox] meningitis (B01.0)
  • zoster meningitis (B02.1)

• Measles (black) (hemorrhagic) (suppressed) B05.9
  ICD-10-CM Diagnosis Code B05.9

  Measles without complication

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Measles NOS
  • with
    • meningitis B05.1
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
  ICD-10-CM Diagnosis Code G03.9

  Meningitis, unspecified

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

  Applicable To

  • Arachnoiditis (spinal) NOS
  • in (due to)
    • measles B05.1
  • postmeasles B05.1

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