Z44.109 Encounter for fitting and adjustment of unspecified artificial leg, unspecified leg

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

Applies from Z44 Encounter for fitting and adjustment of external prosthetic device

Includes

• removal or replacement of external prosthetic device

Excludes1 (never code together)

• malfunction or other complications of device - see Alphabetical Index
• presence of prosthetic device (Z97.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 409 — Amputation Status, Lower Limb/Amputation Complications
• CMS-HCC V22: HCC 189 — Amputation Status, Lower Limb/Amputation Complications
• ESRD V24: HCC 189

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V52.1 Fitting and adjustment of artificial leg (complete) (partial) (approximate)

Code annotations containing back-references to Z44.109

Back-references to Z44

• 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 1 Excludes: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("surveillance of prosthetic and other medical devices (Z44-Z46)")
• Type 2 Excludes: Z43 Encounter for attention to artificial openings ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z48 Encounter for other postprocedural aftercare ("encounter for fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z96 Presence of other functional implants ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z97 Presence of other devices ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z98 Other postprocedural states ("aftercare (Z43-Z49, Z51)")

Nearby codes

• Z44.029 Encounter for fitting and adjustment of partial artificial arm, unspecified arm
• Z44.1 Encounter for fitting and adjustment of artificial leg
• Z44.10 Encounter for fitting and adjustment of unspecified artificial leg
• Z44.101 Encounter for fitting and adjustment of unspecified right artificial leg
• Z44.102 Encounter for fitting and adjustment of unspecified left artificial leg
• Z44.109 Encounter for fitting and adjustment of unspecified artificial leg, unspecified leg (this code)
• Z44.11 Encounter for fitting and adjustment of complete artificial leg
• Z44.111 Encounter for fitting and adjustment of complete right artificial leg
• Z44.112 Encounter for fitting and adjustment of complete left artificial leg
• Z44.119 Encounter for fitting and adjustment of complete artificial leg, unspecified leg
• Z44.12 Encounter for fitting and adjustment of partial artificial leg