Code:
G45.9
Transient cerebral ischemic attack, unspecified
Spasm of cerebral artery
TIA
Transient cerebral ischemia NOS
Parent Code Notes: G45
Excludes1: neonatal cerebral ischemia (P91.0)
transient retinal artery occlusion (H34.0-)
Category Notes
Episodic and paroxysmal disorders (G40-G47)
Coding Guidelines
Diseases of the nervous system (G00-G99)
Excludes 2: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)