728.85 is a billable ICD-9-CM medical code that can be used to specify a diagnosis on a reimbursement claim.
Diagnosis Definition(s)
a sudden, violent, involuntary contraction of a muscle or a group of muscles, attended by pain and interference with function, producing involuntary movement and distortion.
A sudden, violent, involuntary contraction of a muscle or group of muscles.
ICD-9-CM Volume 2 Index Entries That Refer To 728.85
Abnormal, abnormality, abnormalities - see also Anomaly