G09

G09: Sequelae of inflammatory diseases of central nervous system

Billable / specific codeICD-10-CM

G09 is a billable, specific ICD-10-CM code for sequelae of inflammatory diseases of central nervous system. It is valid for submission on a claim.

Check G09 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

condition resulting from (sequela) of inflammatory diseases of central nervous system

Notes

Additional guidance from the ICD-10-CM tabular list.

Category G09 is to be used to indicate conditions whose primary classification is to G00-G08 as the cause of sequelae, themselves classifiable elsewhere. The 'sequelae' include conditions specified as residuals.

Risk adjustment

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

Medicare coverage

G09 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Alphabetic index entries that lead here

Parencephalitis›sequelae
Sequelae›abscess, intracranial or intraspinal(conditions in G06)
Sequelae›encephalitis or encephalomyelitis(conditions in G04)
Sequelae›infection, pyogenic, intracranial or intraspinal
Sequelae›phlebitis or thrombophlebitis of intracranial or intraspinal venous sinuses and veins(conditions in G08)
Abscess›cerebellum, cerebellar›sequelae
Abscess›cerebral›sequelae
Sequelae›meningitis›bacterial(conditions in G00)
Sequelae›meningitis›other or unspecified cause(conditions in G03)
Suppuration, suppurative›brain›sequelae
Thrombophlebitis›cerebral›sequelae
Thrombophlebitis›intracranial venous sinus›sequelae

Code history

Unchanged in every release from FY2024 to FY2027.