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ICD-10-CM · FY 2026 APRIL UPDATE

R40.24

Glasgow coma scale, total score

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
R40.241Glasgow coma scale score 13-15Category
R40.2410Glasgow coma scale score 13-15, unspecified timeBillable
R40.2411Glasgow coma scale score 13-15, in the field [EMT or ambulance]Billable
R40.2412Glasgow coma scale score 13-15, at arrival to emergency departmentBillable
R40.2413Glasgow coma scale score 13-15, at hospital admissionBillable
R40.2414Glasgow coma scale score 13-15, 24 hours or more after hospital admissionBillable
R40.242Glasgow coma scale score 9-12Category
R40.2420Glasgow coma scale score 9-12, unspecified timeBillable
R40.2421Glasgow coma scale score 9-12, in the field [EMT or ambulance]Billable
R40.2422Glasgow coma scale score 9-12, at arrival to emergency departmentBillable
R40.2423Glasgow coma scale score 9-12, at hospital admissionBillable
R40.2424Glasgow coma scale score 9-12, 24 hours or more after hospital admissionBillable
R40.243Glasgow coma scale score 3-8Category
R40.2430Glasgow coma scale score 3-8, unspecified timeBillable
R40.2431Glasgow coma scale score 3-8, in the field [EMT or ambulance]Billable
R40.2432Glasgow coma scale score 3-8, at arrival to emergency departmentBillable
R40.2433Glasgow coma scale score 3-8, at hospital admissionBillable
R40.2434Glasgow coma scale score 3-8, 24 hours or more after hospital admissionBillable
R40.244Other coma, without documented Glasgow coma scale score, or with partial score reportedCategory
R40.2440Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified timeBillable
R40.2441Other coma, without documented Glasgow coma scale score, or with partial score reported, in the field [EMT or ambulance]Billable
R40.2442Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency departmentBillable
R40.2443Other coma, without documented Glasgow coma scale score, or with partial score reported, at hospital admissionBillable
R40.2444Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admissionBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.