2025
ICD-10-CM
Diagnosis
Code

R40 Somnolence, stupor and coma

Non-billable
2016–2025

R40 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Somnolence, stupor and coma.

Type 1 excludes

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)

Codes

Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code