G93.89 ICD-10-CM Code: Other specified disorders of brain

G93.89 is the billable ICD-10-CM code for “Other specified disorders of brain” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

G93.89

Other specified disorders of brain

ICD-10-CM diagnosis code · United States clinical modification

Where G93.89 sits

  1. 1

    Chapter 6

    Diseases of the nervous system (G00-G99)

  2. 2

    Section

    Other disorders of the nervous system (G89-G99)

  3. 3

    Category G93

    Other disorders of brain

  4. 4

    Subcategory G93.8

    Other specified disorders of brain

  5. 5

    Code G93.89

    Other specified disorders of brain

Notes for this code

Inclusion terms

  • Postradiation encephalopathy

Code first

No “code first” instruction is listed for G93.89.

Use additional code

No “use additional code” instruction is listed for G93.89.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for G93.89.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for G93.89.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code G93.89 mean?

G93.89 is the FY 2027 U.S. ICD-10-CM code for “Other specified disorders of brain.”

Is G93.89 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, G93.89 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is G93.89 located in ICD-10-CM?

G93.89 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Other disorders of the nervous system (G89-G99) (G89–G99), under category G93, Other disorders of brain and subcategory G93.8, Other specified disorders of brain.

What coding notes are listed for G93.89?

Its listed inclusion terms are Postradiation encephalopathy. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.