Z47.33 Aftercare following explantation of knee joint prosthesis

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Excludes1 (never code together)

• acquired absence of knee joint following prior explantation of knee prosthesis (Z89.52-
• knee joint prosthesis explantation status (Z89.52-)

Applies from Z47 Orthopedic aftercare

Excludes1 (never code together)

• aftercare for healing fracture-code to fracture with 7th character D

Applies from Z47.3 Aftercare following explantation of joint prosthesis

Applicable to

• Aftercare following explantation of joint prosthesis, staged procedure
• Encounter for joint prosthesis insertion following prior explantation of joint prosthesis

MS-DRG index

Defines the logic of DRG(s) 559-561 in MDC 08.

Approximate ICD-9-CM (GEMs)

• V54.82 Aftercare following explantation of joint prosthesis (approximate)

Code annotations containing back-references to Z47.33

Back-references to Z47

• Type 1 Excludes: Z08 Encounter for follow-up examination after completed treatment for malignant neoplasm ("aftercare following medical care (Z43-Z49, Z51)")
• Type 1 Excludes: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("aftercare following medical care (Z43-Z49, Z51)")
• Type 2 Excludes: Z48.81 Encounter for surgical aftercare following surgery on specified body systems ("orthopedic aftercare (Z47.-)")
• Type 2 Excludes: Z98 Other postprocedural states ("aftercare (Z43-Z49, Z51)")

Diagnosis Index entries for Z47.33

• Aftercare › following surgery (for) (on) › explantation of joint prosthesis (staged procedure) › knee
• Encounter (with health service) (for) › joint prosthesis insertion following prior explantation of joint prosthesis (staged procedure) › knee

Nearby codes

• Z47.1 Aftercare following joint replacement surgery
• Z47.2 Encounter for removal of internal fixation device
• Z47.3 Aftercare following explantation of joint prosthesis
• Z47.31 Aftercare following explantation of shoulder joint prosthesis
• Z47.32 Aftercare following explantation of hip joint prosthesis
• Z47.33 Aftercare following explantation of knee joint prosthesis (this code)
• Z47.8 Encounter for other orthopedic aftercare
• Z47.81 Encounter for orthopedic aftercare following surgical amputation
• Z47.82 Encounter for orthopedic aftercare following scoliosis surgery
• Z47.89 Encounter for other orthopedic aftercare