B05.0

B05.0: Measles complicated by encephalitis

Billable / specific codeICD-10-CM

B05.0 is a billable, specific ICD-10-CM code for measles complicated by encephalitis. It is valid for submission on a claim.

Check B05.0 with the rest of the claim: free scrubber

Inclusion terms

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

Postmeasles encephalitis

Excludes1 inherited from the categories above B05.0

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 B05.0

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

G04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
A85Other viral encephalitis, not elsewhere classified

Risk adjustment

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

Medicare coverage

B05.0 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56612Billing and Coding: CT of the Head
A56771Billing and Coding: Special Electroencephalography
A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Alphabetic index entries that lead here

Encephalitis›postmeasles
Encephalomyelitis›postmeasles
Encephalitis›in›measles
Measles›with›encephalitis

Code history

Unchanged in every release from FY2024 to FY2027.