ICD10

ICD-10 Code S56.10: Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level

S56.10 is an ICD-10 diagnosis entry used to group records related to Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
S50-S59Injuries to the elbow and forearm
category
S56Injury of muscle, fascia and tendon at forearm level
category
S56.1Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level
currentS56.1

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Emergency Medicine SpecialistOrthopedic SpecialistENT Specialist

Related codes

S56.101Unspecified injury of flexor muscle, fascia and tendon of right index finger at forearm levelcodeS56.102Unspecified injury of flexor muscle, fascia and tendon of left index finger at forearm levelcodeS56.103Unspecified injury of flexor muscle, fascia and tendon of right middle finger at forearm levelcodeS56.104Unspecified injury of flexor muscle, fascia and tendon of left middle finger at forearm levelcodeS56.105Unspecified injury of flexor muscle, fascia and tendon of right ring finger at forearm levelcodeS56.106Unspecified injury of flexor muscle, fascia and tendon of left ring finger at forearm levelcodeS56.107Unspecified injury of flexor muscle, fascia and tendon of right little finger at forearm levelcodeS56.108Unspecified injury of flexor muscle, fascia and tendon of left little finger at forearm levelcodeS56.109Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at forearm levelcode

Coding guidelines

Common synonyms

Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm levelUnspecified injury of flexor muscle, fascia and tendon of other and finger at forearm level

Frequently asked questions

Code details

CodeS56.10
SystemICD10
Display nameUnspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockInjuries to the elbow and forearm

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code S56.10 for Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level | HealthAssure