A52.78 Syphilis of other musculoskeletal tissue

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Late syphilitic bursitis
• Syphilis [stage unspecified] of bursa
• Syphilis [stage unspecified] of muscle
• Syphilis [stage unspecified] of synovium
• Syphilis [stage unspecified] of tendon

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 095.6 Syphilis of muscle (approximate)
• 095.7 Syphilis of synovium, tendon, and bursa (approximate)

Code annotations containing back-references to A52.78

Back-references to A52.78

• Type 1 Excludes: M63 Disorders of muscle in diseases classified elsewhere ("myopathy in syphilis (late) (A52.78)")

Back-references to A52

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A52.78

• Atrophy, atrophic (of) › muscle, muscular (diffuse) (general) (idiopathic) (primary) › syphilitic
• Bursitis › syphilitic
• Leontiasis › syphilitic (late)
• Myositis › in (due to) › syphilis › late
• Synovitis › in (due to) › syphilis (late)
• Synovitis › syphilitic
• Syphilis, syphilitic (acquired) › bursa (late)
• Syphilis, syphilitic (acquired) › muscle
• Syphilis, syphilitic (acquired) › synovium
• Syphilis, syphilitic (acquired) › tendon (late)
• Tenosynovitis › in (due to) › syphilis (late)
• Verneuil's disease (syphilitic bursitis)

Nearby codes

• A52.73 Symptomatic late syphilis of other respiratory organs
• A52.74 Syphilis of liver and other viscera
• A52.75 Syphilis of kidney and ureter
• A52.76 Other genitourinary symptomatic late syphilis
• A52.77 Syphilis of bone and joint
• A52.78 Syphilis of other musculoskeletal tissue (this code)
• A52.79 Other symptomatic late syphilis
• A52.8 Late syphilis, latent
• A52.9 Late syphilis, unspecified