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B05.1

B05.1: Measles complicated by meningitis

Billable / specific codeICD-10-CM

B05.1 is a billable, specific ICD-10-CM code for measles complicated by meningitis. It is valid for submission on a claim.

Check B05.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Postmeasles meningitis

Excludes1 inherited from the categories above B05.1

A category’s note binds every code beneath it.

Written on B05: Measles

  • subacute sclerosing panencephalitis (A81.1)

Other codes that can never be billed with B05.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • G02Meningitis in other infectious and parasitic diseases classified elsewhere
  • G04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
  • A87Viral meningitis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Meningitis›postmeasles
  • Measles›with›meningitis
  • Meningitis›in›measles

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B05

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.