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R40.4 - Transient alteration of awareness


The ICD 10 Code for Transient alteration of awareness is listed as R40.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: R40.4
Description: Transient alteration of awareness
Diagnostic Related Groups
(MS-DRG v30.0)
884 - Organic Disturbances & Mental Retardation
Chapter Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
Parent R40 - Somnolence, stupor and coma
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 780.02 - Transient alteration of awareness
ICD-10-CM Siblings (same level / similar specificity) of R40.4:
R40.0 - Somnolence
R40.1 - Stupor
R40.2 - Coma
R40.3 - Persistent vegetative state