FA36

ICD-11 MMS 2026-01

Effusion of joint

Description

Increased intra-articular fluid secondary to trauma and/or other acquired conditions not detailed in other codes.

Inclusions

  • hydrarthrosis

Excludes

  • 1C1D.2 – hydrarthrosis of yaws

Exclusions from above levels

  • http://id.who.int/icd/entity/1989556002 – Conditions associated with the spine
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • DA0E.8 – Temporomandibular joint disorders

Child codes

  • FA36.0 – Effusion of joint containing blood
  • FA36.Y – Other specified effusion of joint
  • FA36.Z – Effusion of joint, unspecified

Sibling codes

  • FA30 – Acquired deformities of fingers or toes
  • FA31 – Other acquired deformities of limbs
  • FA32 – Disorders of patella
  • FA33 – Internal derangement of knee
  • FA34 – Certain specified joint derangements
  • FA35 – Wear of articular bearing surface of joint prosthesis
  • FA37 – Certain joint disorders, not elsewhere classified
  • FA38 – Arthropathy in diseases classified elsewhere

Foundation entity

Effusion of joint – http://id.who.int/icd/entity/1707520902

Allowed postcoordination axes

Part of: 15: Diseases of the musculoskeletal system or connective tissue