S56 is the ICD-10 code for Injury of muscle and tendon at forearm level. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block S50–S59 (Injuries to the elbow and forearm) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.
- Code type
- Category (3 characters)
- Chapter
- XIX · S00–T98
- Classification
- WHO ICD-10, 2019 version
What S56 excludes
Conditions that look similar but belong under another code.
- injury of muscle and tendon at or below wrist S66.-
Subcodes of S56
- S56.0Injury of flexor muscle and tendon of thumb at forearm level
- S56.1Injury of long flexor muscle and tendon of other finger(s) at forearm level
- S56.2Injury of other flexor muscle and tendon at forearm level
- S56.3Injury of extensor or abductor muscles and tendons of thumb at forearm level
- S56.4Injury of extensor muscle and tendon of other finger(s) at forearm level
- S56.5Injury of other extensor muscle and tendon at forearm level
- S56.7Injury of multiple muscles and tendons at forearm level
- S56.8Injury of other and unspecified muscles and tendons at forearm level
S56 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DS56Læsion af muskler og sener i underarm
S56Kyynärvarren lihas- ja/tai jännevamma
S56Verletzung von Muskeln und Sehnen in Höhe des Unterarmes
S56Lésion traumatique de muscles et de tendons au niveau de l'avant-bras
S56letsel van spier en pees ter hoogte van onderarm
Listed through more specific codes:
- S56.901AUnspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, initial encounter
- S56.901DUnspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, subsequent encounter
- S56.901SUnspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, sequela
- S56.902AUnspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, initial encounter
- S56.902DUnspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, subsequent encounter
- S56.902SUnspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm, sequela
- S56.909AUnspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, initial encounter
- S56.909DUnspecified injury of unspecified muscles, fascia and tendons at forearm level, unspecified arm, 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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