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R40.243 ⚠ Non-billable

Glasgow coma scale score 3-8

ICD-10-CM · FY2026 · Symptoms, Signs and Abnormal Clinical and Laboratory Findings

Code
R40.243
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code R40.243?
ICD-10-CM code R40.243 represents Glasgow coma scale score 3-8. It is a non-billable header code requiring a more specific subcategory in the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter, effective October 1, 2025 – September 30, 2026.
Is R40.243 billable?
No. R40.243 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is R40.243 in?
R40.243 belongs to the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter (R00–R99) of ICD-10-CM.

Related codes in the R40 category

R40 Somnolence, stupor and coma Non-billable R40.0 Somnolence Billable R40.1 Stupor Billable R40.2 Coma Non-billable R40.3 Persistent vegetative state Billable R40.4 Transient alteration of awareness Billable R40.20 Unspecified coma Billable R40.21 Coma scale, eyes open Non-billable

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