ICD-10-CM 2027
ICD-10 code for knee absence
From the official ICD-10-CM alphabetic index entry “Absence (of) (organ or part) (complete or partial) › knee (following explantation of knee joint prosthesis) (joint) (with or without presence of antibiotic-impregnated cement spacer)”. Page updated September 29, 2026.
About coding knee absence
The ICD-10-CM code for knee absence is Z89.52 (Acquired absence of knee).
Within Z89.5 (acquired absence of leg below knee), Z89.52 is specifically for acquired absence of knee. Related codes cover leg below knee (Z89.51).
To report this condition, pick the subcode that matches the documentation: Z89.521 (knee), Z89.522 (knee) and Z89.529 (knee).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.