MCMedicalCodingSoftware
R40.2341

R40.2341: Coma scale, best motor response, flexion withdrawal, in the field [EMT or ambulance]

Billable / specific codeICD-10-CM

R40.2341 is a billable, specific ICD-10-CM code for coma scale, best motor response, flexion withdrawal, in the field [emt or ambulance]. It is valid for submission on a claim.

Check R40.2341 with the rest of the claim: free scrubber

7th character "1": in the field [EMT or ambulance]

The following appropriate 7th character is to be added to subcategory R40.23-:

0
unspecified time
1
in the field [EMT or ambulance]
2
at arrival to emergency department
3
at hospital admission
4
24 hours or more after hospital admission

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Coma scale motor score of 4
  • Withdraws from pain or noxious stimuli (2-5 years of age)

Excludes1 inherited from the categories above R40.2341

A category’s note binds every code beneath it.

Written on R40: Somnolence, stupor and coma

  • neonatal coma (P91.5)
  • somnolence, stupor and coma in diabetes (E08-E13)
  • somnolence, stupor and coma in hepatic failure (K72.-)
  • somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)

Other codes that can never be billed with R40.2341

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R41.82Altered mental status, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R40.2341 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54799Billing and Coding: Urine Drug Testing
  • A55001Billing and Coding: Urine Drug Testing
  • A56612Billing and Coding: CT of the Head
  • A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R40.234

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.