TJA

Medical abbreviation · Musculoskeletal & Rheumatology

TJA stands for Total joint arthroplasty, a musculoskeletal & rheumatology abbreviation.

Umbrella term for total hip and total knee replacement, used in health policy, registries, hospital programs and research. Bundled payment models and quality metrics often treat these operations as a group.

Example: Hospital TJA program reduced average length of stay to 1.2 days.

Usage notes

Medicare's Comprehensive Care for Joint Replacement (CJR) model, launched in 2016, bundled payments for hip and knee replacement. Same-day discharge has become common, and knee and hip replacement were removed from Medicare's inpatient-only list in 2018 and 2020. The American Joint Replacement Registry tracks US outcomes.

Related abbreviations

More musculoskeletal & rheumatology abbreviations

• SLAP – Superior labrum anterior to posterior (tear)
• SLE – Systemic lupus erythematosus
• SS – Sjögren's syndrome
• SSc – Systemic sclerosis
• THA – Total hip arthroplasty
• THR – Total hip replacement
• TKA – Total knee arthroplasty
• TKR – Total knee replacement
• TLIF – Transforaminal lumbar interbody fusion
• TOS – Thoracic outlet syndrome
• TSA – Total shoulder arthroplasty
• UKA – Unicompartmental knee arthroplasty

See all 71 musculoskeletal & rheumatology abbreviations →

Edited by the AbbreviationList.com team. Spotted an error or a missing meaning? Contact us.

This entry is for general education and is not medical advice. Abbreviation use varies between institutions; always confirm in context.