307.43 - Transient Disorder Of Initiating Or Maintaining Wakefulness

The ICD 9 Code for Transient disorder of initiating or maintaining wakefulness is listed as 307.43.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.

ICD 9 CM Field	Value
Diagnosis Code:	307.43
Long Description:	Transient disorder of initiating or maintaining wakefulness
Short Description:	Transient hypersomnia

Chapter:	Mental Disorders
Block:	Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders (300-316)
Related Descriptions:	Hypersomnia disorder related to another mental disorder Hypersomnia of non-organic origin Post-radiotherapy somnolence syndrome Postviral excessive daytime sleepiness
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code:	F51.19 - Other hypersomnia not due to a substance or known physiological condition (approximate)
ICD-9-CM Siblings (same level / similar specificity) of 307.43:
307.40 - Nonorganic sleep disorder, unspecified
307.41 - Transient disorder of initiating or maintaining sleep
307.42 - Persistent disorder of initiating or maintaining sleep
307.44 - Persistent disorder of initiating or maintaining wakefulness
307.45 - Circadian rhythm sleep disorder of nonorganic origin
307.46 - Sleep arousal disorder
307.47 - Other dysfunctions of sleep stages or arousal from sleep
307.48 - Repetitive intrusions of sleep
307.49 - Other specific disorders of sleep of nonorganic origin