All ICD10 Codes

S56

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Injury of muscle, fascia and tendon at forearm level

Use a more specific code (0 billable, 8 non-billable)
S56.0Injury of flexor muscle, fascia and tendon of thumb at forearm levelhas subcodesS56.1Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm levelhas subcodesS56.2Injury of other flexor muscle, fascia and tendon at forearm levelhas subcodesS56.3Injury of extensor or abductor muscles, fascia and tendons of thumb at forearm levelhas subcodesS56.4Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm levelhas subcodesS56.5Injury of other extensor muscle, fascia and tendon at forearm levelhas subcodesS56.8Injury of other muscles, fascia and tendons at forearm levelhas subcodesS56.9Injury of unspecified muscles, fascia and tendons at forearm levelhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

S50-S59 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • injury of muscle, fascia and tendon at or below wrist (S66.-)
  • sprain of joints and ligaments of elbow (S53.4-)
Code Also
  • any associated open wound (S51.-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S50-S59Injuries to the elbow and forearm (S50-S59)
S56Injury of muscle, fascia and tendon at forearm levelNot billable
S56.0Injury of flexor muscle, fascia and tendon of thumb at forearm levelSubcodes
S56.1Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm levelSubcodes
S56.2Injury of other flexor muscle, fascia and tendon at forearm levelSubcodes
S56.3Injury of extensor or abductor muscles, fascia and tendons of thumb at forearm levelSubcodes
S56.4Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm levelSubcodes
S56.5Injury of other extensor muscle, fascia and tendon at forearm levelSubcodes
S56.8Injury of other muscles, fascia and tendons at forearm levelSubcodes
S56.9Injury of unspecified muscles, fascia and tendons at forearm levelSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S56:

blockS50-S59
Injuries to the elbow and forearm (S50-S59)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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