8C11.00

ICD-11 MMS 2026-01

Sciatic nerve piriformis syndrome

Index terms

  • Sciatic nerve piriformis syndrome

Exclusions from above levels

  • FA80 – sciatica attributed to intervertebral disc disorder
  • ME84.3 – sciatica NOS
  • NC74.0 – Injury of sciatic nerve at hip or thigh level
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  • 22 – current traumatic nerve disorder - see nerve injury by body region
  • FB56 – neuritis NOS
  • http://id.who.int/icd/entity/114997967 – Injury of nerves or lumbar spinal cord at abdomen, lower back or pelvis level
  • http://id.who.int/icd/entity/1454363907 – Injury of nerves or spinal cord at neck level
  • NA04 – Injury of cranial nerves
  • NC14 – Injury of nerves at shoulder or upper arm level
  • NC34 – Injury of nerves at forearm level
  • NC55 – Injury of nerves at wrist or hand level
  • NC74 – Injury of nerves at hip or thigh level
  • NC94 – Injury of nerves at lower leg level
  • ND15 – Injury of nerves at ankle or foot level
  • 05 – Endocrine, nutritional or metabolic diseases
  • 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

Sibling codes

  • 8C11.0Y – Other specified lesion of sciatic nerve
  • 8C11.0Z – Lesion of sciatic nerve, unspecified

Foundation entity

Sciatic nerve piriformis syndrome – http://id.who.int/icd/entity/1379565645

Allowed postcoordination axes

Part of: 8C11.0: Lesion of sciatic nerve › 8C11: Mononeuropathies of lower limb › 08: Diseases of the nervous system