ICD-10-CM code "R40.2": Coma (2024)

Overview

ICD-10 CodeR40.2
DescriptionComa
Hierarchy
  1. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
  3. Somnolence, stupor and coma (R40)
  4. Coma (R40.2)
Billable statusNon billable code

Excludes

  1. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

    Type 2abnormal findings on antenatal screening of mother (O28.-)

    Type 2certain conditions originating in the perinatal period (P04-P96)

    Type 2signs and symptoms classified in the body system chapters

    Type 2signs and symptoms of breast (N63, N64.5)

  2. Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)

    Type 2symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

  3. Somnolence, stupor and coma (R40)

    Type 1neonatal coma (P91.5)

    Type 1somnolence, stupor and coma in diabetes (E08-E13)

    Type 1somnolence, stupor and coma in hepatic failure (K72.-)

    Type 1somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)

  4. Coma (R40.2)

Includes

  1. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
  3. Somnolence, stupor and coma (R40)
  4. Coma (R40.2)

Subcategories