I67.84

Cerebral vasospasm and vasoconstriction

Non-billable header

I67.84 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

traumatic intracranial hemorrhage (S06.-) (from I67)
Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-) (from I67)
Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-) (from I67)

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96) (from I67)
certain infectious and parasitic diseases (A00-B99) (from I67)
complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I67)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I67)
endocrine, nutritional and metabolic diseases (E00-E88) (from I67)
injury, poisoning and certain other consequences of external causes (S00-T88) (from I67)
neoplasms (C00-D49) (from I67)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I67)
systemic connective tissue disorders (M30-M36) (from I67)
transient cerebral ischemic attacks and related syndromes (G45.-) (from I67)
sequelae of the listed conditions (I69.8) (from I67)

Add a code to identify the following, if applicable.

code to identify presence of: (from I67)
alcohol abuse and dependence (F10.-) (from I67)
exposure to environmental tobacco smoke (Z77.22) (from I67)
history of tobacco dependence (Z87.891) (from I67)
hypertension (I10-I1A) (from I67)
occupational exposure to environmental tobacco smoke (Z57.31) (from I67)
tobacco dependence (F17.-) (from I67)
tobacco use (Z72.0) (from I67)