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G40.82 vs G93.81

G40.82 (Epileptic spasms) compared with G93.81 (Temporal sclerosis), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

G40.82
Epileptic spasms
G93.81
Temporal sclerosis

Distinct conditions — both may be reported.

“hippocampal sclerosis (G93.81)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Informational

Excludes2 relationship

G40.82
Epileptic spasms
G93.81
Temporal sclerosis

Distinct conditions — both may be reported.

“mesial temporal sclerosis (G93.81)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Informational

Excludes2 relationship

G40.82
Epileptic spasms
G93.81
Temporal sclerosis

Distinct conditions — both may be reported.

“temporal sclerosis (G93.81)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. G40.82 carries an Excludes2 note covering G93.81: “hippocampal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. G40.82 carries an Excludes2 note covering G93.81: “mesial temporal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. G40.82 carries an Excludes2 note covering G93.81: “temporal sclerosis (G93.81)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

G40.82Epileptic spasmsG93.81Temporal sclerosis
Billing statusNon-billable headerBillable
ClassificationG00-G99 — Diseases of the Nervous System (G00-G99)G00-G99 — Diseases of the Nervous System (G00-G99)
DefinitionEpileptic spasms is a non-billable ICD-10-CM category code (G40.82).Temporal sclerosis is a billable ICD-10-CM diagnosis code (G93.81).
Includes
Infantile spasms
Salaam attacks
West's syndrome
Hippocampal sclerosis
Mesial temporal sclerosis

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources