chondroplasty

DEFINITION of chondroplasty

chondroplasty is a surgical technique primarily utilized in orthopedic surgery to address articular cartilage defects, lesions, or fibrillation. Unlike an arthroplasty, which involves the total replacement of a joint, chondroplasty focuses on the debridement, smoothing, or contouring of the existing cartilage surface to prevent further mechanical irritation within the joint space. The procedure is often performed via arthroscopy, allowing for minimal invasiveness while addressing chondromalacia or focal cartilage tears. It is distinct from microfracture or autologous chondrocyte implantation, as it is primarily a reductive or smoothing procedure rather than a regenerative one. Clinical success is often measured by the reduction of mechanical symptoms such as catching, locking, or localized joint pain.

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ETYMOLOGY of chondroplasty

greek

Component	Origin	Meaning
chondr-	Greek, khondros	”Cartilage” or “grain” — refers to the connective tissue structure.
plasty	Greek, plastos	”Molding,” “shaping,” or “forming” — refers to the surgical reconstruction.

The word entered English in the late 19th century as chondroplasty (noun), derived from the Greek roots khondros (cartilage) and plassein (to mold). It reflects the surgical intent to reshape or repair cartilaginous tissue. The root connects to related terms: Chondroma (cartilage tumor) and Chondrocyte (cartilage cell).

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🔀 ALIASES / ALTERNATE TERMS

• Chondroplastic (adjective form — describes surgical interventions or tissue characteristics involving cartilage reshaping; appears in clinical collocations such as “chondroplastic debridement,” “chondroplastic contouring,” and “chondroplastic abrasion”)
• Cartilage shaving (lay and operative clinical synonym; mechanical excision and smoothing of fibrillated superficial articular cartilage using a motorized shaver, especially in sports medicine and arthroscopy settings)
• Focal chondroplasty (partial or localized form; limited smoothing of a small, circumscribed cartilaginous defect or unstable chondral flap without extensive debridement of the wider joint surface; reported under CPT 29877 or 29822)
• Arthroscopic chondral debridement (clinical operative synonym; minimally invasive endoscopic debridement, smoothing, and resection of torn or unstable articular cartilage; coded under ICD-10-PCS 0S8C4ZZ or CPT 29877)
• Patellar chondromalacia (related clinical entity and primary indication; softening, fibrillation, and degeneration of the posterior patellar hyaline cartilage; M22.40)
• Osteochondritis dissecans (related clinical entity; localized focal necrosis of subchondral bone with secondary detachment or demarcation of the overlying articular cartilage; M93.20)
• Traumatic cartilage lesion (etiologic subtype; acute focal disruption, shear fracture, or delamination of articular cartilage resulting from mechanical trauma, sports impact, or joint subluxation; S83.30x)
• Degenerative cartilage wear (etiologic subtype; progressive chronic loss, fibrillation, and erosion of articular hyaline cartilage due to mechanical loading, age-related wear, or secondary osteoarthritis; M17.0, M16.0)
• Knee chondroplasty (anatomic compartment-specific procedure; arthroscopic shaving of femoral condyle, tibial plateau, or patellar cartilage defects; CPT 29877, indicated under M24.10, M22.40)
• Hip chondroplasty (joint-specific procedure; debridement of acetabular or femoral head articular cartilage, frequently performed alongside labral repair or femoroplasty in femoroacetabular impingement; CPT 29862, M24.15)
• Shoulder chondroplasty (joint-specific procedure; limited or extensive debridement of glenohumeral articular cartilage lesions or humeral head defects; CPT 29822/29823, M24.11)
• Ankle chondroplasty (joint-specific procedure; arthroscopic debridement of dome lesions of the talus or distal tibial articular surface; CPT 29898, M24.17)

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🔗 RELATED TERMS

• Arthroplasty — the total replacement or reconstruction of a joint; involves prosthetic components unlike the tissue-smoothing of chondroplasty.
• Chondrectomy — the excision of cartilage; more aggressive than the smoothing performed in chondroplasty.
• Chondromalacia — softening of the cartilage; the primary indication for chondroplasty (M22.40).
• Arthroscopy — the diagnostic and therapeutic visualization tool used to perform chondroplasty.
• Debridement — the removal of damaged tissue; the core mechanism of chondroplasty.
• Chondroplastic — the adjective form describing the surgical approach.
• Chondrogenesis — the biological process of cartilage formation; distinct from the mechanical repair of chondroplasty.
• Osteoarthritis — chronic joint disease often requiring chondroplasty (M17.0).
• Meniscectomy — removal of the meniscus; often performed concurrently with chondroplasty (M23.20).
• Synovectomy — removal of the synovial lining; often performed alongside chondroplasty (M67.20).
• MRI — the primary diagnostic tool for assessing cartilage integrity before chondroplasty.

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CODING CORNER

🏥 ICD-10-CM CODES

Cartilage Disorders

Code	Description
M22.40	Chondromalacia patellae, unspecified knee
M23.200	Derangement of unspecified meniscus due to old tear, unspecified knee
M24.10	Other articular cartilage disorders, unspecified site
M93.20	Osteochondritis dissecans, unspecified site
M17.0	Bilateral primary osteoarthritis of knee
M17.11	Unilateral primary osteoarthritis, right knee
M17.12	Unilateral primary osteoarthritis, left knee
M24.111	Other articular cartilage disorders, right shoulder

Secondary Diagnoses

Code	Description
M25.561	Pain in right knee
M25.562	Pain in left knee
M25.361	Instability of right knee
M25.362	Instability of left knee

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🔧 COMMON CPT CODES (Chondroplasty-Related Diagnosis & Treatment)

CPT Code	Description
29877	Arthroscopy, knee, surgical; debridement/shaving of articular cartilage (chondroplasty)
29879	Arthroscopy, knee, surgical; abrasion arthroplasty (includes chondroplasty)
29874	Arthroscopy, knee, surgical; for removal of loose body or foreign body
29881	Arthroscopy, knee, surgical; with meniscectomy
29822	Arthroscopy, shoulder, surgical; debridement, limited
29823	Arthroscopy, shoulder, surgical; debridement, extensive
29848	Endoscopy, wrist, surgical, with release of transverse carpal ligament
29861	Arthroscopy, hip, surgical; with removal of loose body or foreign body
29862	Arthroscopy, hip, surgical; with debridement of articular cartilage
29914	Arthroscopy, hip, surgical; with femoroplasty
29915	Arthroscopy, hip, surgical; with acetabuloplasty

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⚠️ Coding Note: When coding 29877, ensure the documentation specifies the compartment of the knee (medial, lateral, or patellofemoral) to support medical necessity. Do not report 29877 in conjunction with 29881 if performed in the same compartment, as the debridement is considered bundled into the meniscectomy. Always verify if the procedure was performed for degenerative changes or acute trauma, as this impacts the selection of the primary ICD-10-CM code. Use modifiers -RT or -LT to indicate the specific side of the procedure.

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DERIVATIONS of chondroplasty

TABLE definition AS Definition
FROM #medterm 
WHERE length(filter(roots, (word) => econtains([[chondroplasty]].roots, word))) > 0 AND file.name != [[chondroplasty]].file.name
SORT file.name ASC

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Query functionality

TABLE definition AS Definition
FROM #medterm 
WHERE length(filter(definition, (word) => econtains([[chondroplasty]].definition, word))) > 0 AND file.name != [[chondroplasty]].file.name

Med terms dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms