Table 4.

Codes used to evaluate for ankylosis, manipulation under anesthesia, lysis of adhesions, and revision TKA

Ankylosis
ICD-9-D-71859	ICD-9-D-71858	ICD-9-D-71856
ICD-9-D-71850	ICD-10-D-M2460	ICD-10-D-M24661
ICD-10-D-M24662	ICD-10-D-M24669
MUA
CPT-27570
LOA
CPT-29884
Revision TKA
CPT-27486	CPT-27487

ICD-9/ICD-10 International Classification of Diseases, ninth and tenth revision, MUA manipulation under anesthesia, CPT current procedural terminology, LOA lysis of adhesions; TKA total knee arthroplasty

^aICD-10 codes were retrieved via combination mapping from related ICD-9 codes according to CMS guidelines