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ICD-10 diagnosis code

S66.4 Injury of intrinsic muscle and tendon of thumb at wrist and hand level

This page in Swedish

S66.4 is the ICD-10 code for Injury of intrinsic muscle and tendon of thumb at wrist and hand level. It is a four-character subcategory of S66 (Injury of muscle and tendon at wrist and hand level), the most specific level in the WHO edition. It belongs to the block S60–S69 (Injuries to the wrist and hand) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.

Code type
Subcategory (4 characters)
Chapter
XIX · S00–T98
Classification
WHO ICD-10, 2019 version

S66.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

S66.4Skada på tummens korta muskel och dess sena på handleds- och handnivå

NorwayICD-10-NO

S66.4Skade på kort håndmuskel eller -sene for tommel i håndledds- eller håndregion

DenmarkICD-10-DK

DS664Læsion af kort muskel eller sene til tommelfinger

FinlandICD-10-FI

S66.4Peukaloon tai sen kämmenluuhun liittyvän pikkulihaksen [jänteen] vamma

GermanyICD-10-GM

S66.4Verletzung der kurzen Muskeln und Sehnen des Daumens in Höhe des Handgelenkes und der Hand

FranceICD-10-FR

S66.4Lésion traumatique de muscles et de tendons intrinsèques du pouce au niveau du

NetherlandsICD-10-NL

S66.4letsel van intrinsieke handspier en -pees van duim

United StatesICD-10-CM

Listed through more specific codes:

  • S66.401AUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, initial encounter
  • S66.401DUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter
  • S66.401SUnspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, sequela
  • S66.402AUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, initial encounter
  • S66.402DUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, subsequent encounter
  • S66.402SUnspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela
  • S66.409AUnspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, initial encounter
  • S66.409DUnspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter
  • and 28 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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