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A50.51

Clutton's joints

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
A50-A64block
Excludes1
  • nonspecific and nongonococcal urethritis (N34.1)N34.1
  • Reiter's disease (M02.3-)M02.3-
Excludes2
  • human immunodeficiency virus [HIV] disease (B20)B20
A00-B99chapter
Excludes1
  • certain localized infections - see body system-related chapters
Excludes2
  • carrier or suspected carrier of infectious disease (Z22.-)Z22.-
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
  • influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3
A50.5code
Inclusion terms
  • Any congenital syphilitic condition specified as late or manifest two years or more after birth.
A00-B99chapter
Includes
  • diseases generally recognized as communicable or transmissible
Use additional code
  • code to identify resistance to antimicrobial drugs (Z16.-)Z16.-
Index entries leading here 2
  • Clutton's joints A50.51
  • Syphilis, syphilitic (acquired) A53.9
    • congenital A50.9
      • late, or 2 years or more after birth NEC A50.7
        • symptomatic or with manifestations NEC A50.59
Alongside this code 7 same parent — A50.5
A50.52 Hutchinson's teeth A50.53 Hutchinson's triad A50.54 Late congenital cardiovascular syphilis A50.55 Late congenital syphilitic arthropathy A50.56 Late congenital syphilitic osteochondropathy A50.57 Syphilitic saddle nose A50.59 Other late congenital syphilis, symptomatic
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
A50.5
Block
A50-A64
Siblings
7

Present FY2024–FY2027.