ICD-10-CM 2027
ICD-10 code for Amputee
From the official ICD-10-CM alphabetic index entry “Amputee (bilateral) (old)”. Page updated September 29, 2026.
About coding Amputee
The ICD-10-CM code for Amputee is Z89.9 (Acquired absence of limb, unspecified).
Within Z89, choose Z89.9 (unspecified) only when documentation doesn't support a more specific option: thumb and other finger(s) (Z89.0), hand and wrist (Z89.1), upper limb above wrist (Z89.2), toe(s), foot, and ankle (Z89.4), leg below knee (Z89.5) and leg above knee (Z89.6).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 951 (Other Factors Influencing Health Status, relative weight 0.5577), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about Amputee ICD-10 codes
What is the ICD-10 code for Amputee?
- Z89.9 — Acquired absence of limb, unspecified.
Is Z89.9 billable?
- Yes. Z89.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z89.9 be used as a principal diagnosis?
- No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
Is Z89.9 a CC or MCC?
- No. Z89.9 is neither a CC nor an MCC under MS-DRG v44.0.