Z53.9 Procedure and treatment not carried out, unspecified reason

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 795 in MDC 15.

Approximate ICD-9-CM (GEMs)

• V64.3 Procedure not carried out for other reasons (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Diagnosis Index entries for Z53.9

• Canceled procedure (surgical)
• Procedure (surgical) › not done

Nearby codes

• Z53.31 Laparoscopic surgical procedure converted to open procedure
• Z53.32 Thoracoscopic surgical procedure converted to open procedure
• Z53.33 Arthroscopic surgical procedure converted to open procedure
• Z53.39 Other specified procedure converted to open procedure
• Z53.8 Procedure and treatment not carried out for other reasons
• Z53.9 Procedure and treatment not carried out, unspecified reason (this code)