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ICDMine.com › Browse ICD-10-CM Codes › Ch. 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) › Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46) › R40.2 Coma › R40.24

R40.24Glasgow coma scale, total score

ICD-10-CM category (non-billable header) code — part of Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)

Code Details

BillableNo — use a more specific child code
ChapterChapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
SectionSymptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
Parent codeR40.2 — Coma

Valid 7th Characters

0unspecified time
1in the field [EMT or ambulance]
2at arrival to emergency department
3at hospital admission
424 hours or more after hospital admission

Coding Notes

Note

  • Assign a code from subcategory R40.24, when only the total coma score is documented

7th Character Note

  • The following appropriate 7th character is to be added to subcategory R40.24-:

Subcategories (4)

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