FA81.1

ICD-11 MMS 2026-01

Spondylolysis without slippage

Description

This is a condition characterised by degeneration of a portion of the vertebra, usually in the pars interarticularis (the bone bridge between the superior and inferior facet joints of the lumbar vertebra) without slippage of the vertebrae.

Index terms

  • Spondylolysis without slippage
  • Spondylolysis without slippage with no determinant
  • Spondylolysis without slippage with determinant
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  • Traumatic spondylolysis without slippage
  • Iatrogenic spondylolysis without slippage
  • Spondylolysis without slippage with determinant, otherwise specified
  • Spondyloptosis without slippage

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • DA0E.8 – Temporomandibular joint disorders

Sibling codes

  • FA81.0 – Spondylolysis with slippage
  • FA81.Z – Spondylolysis, unspecified

Foundation entity

Spondylolysis without slippage – http://id.who.int/icd/entity/1298374900

Allowed postcoordination axes

Part of: FA81: Spondylolysis › 15: Diseases of the musculoskeletal system or connective tissue