All ICD10 Codes

R40.24

Non-Billable
ChapterR00–R99
Ranksubcategory
Official Description

Glasgow coma scale, total score

Use a more specific code (4 billable)
R40.241Glasgow coma scale score 13-15R40.242Glasgow coma scale score 9-12R40.243Glasgow coma scale score 3-8R40.244Other coma, without documented Glasgow coma scale score, or with partial score reported
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:
View CH18 NotesView R40-R46 NotesView R40 NotesView R40.2 Notes

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
R40Somnolence, stupor and coma
R40.2Coma
R40.24Glasgow coma scale, total scoreNot billable
R40.241Glasgow coma scale score 13-15Billable
R40.242Glasgow coma scale score 9-12Billable
R40.243Glasgow coma scale score 3-8Billable
R40.244Other coma, without documented Glasgow coma scale score, or with partial score reportedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R40.24:

categoryR40
Somnolence, stupor and coma
View context instructions
blockR40-R46
Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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