S56.221A
✓ Billable
Laceration of other flexor muscle, fascia and tendon at forearm level, right arm, initial encounter
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S56.221A
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S56.221A?
ICD-10-CM code S56.221A represents Laceration of other flexor muscle, fascia and tendon at forearm level, right arm, initial encounter. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S56.221A billable?
Yes. S56.221A is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S56.221A in?
S56.221A belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S56 category
S56
Injury of muscle, fascia and tendon at forearm level
Non-billable
S56.0
Injury of flexor muscle, fascia and tendon of thumb at forearm level
Non-billable
S56.1
Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level
Non-billable
S56.2
Injury of other flexor muscle, fascia and tendon at forearm level
Non-billable
S56.3
Injury of extensor or abductor muscles, fascia and tendons of thumb at forearm level
Non-billable
S56.4
Injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level
Non-billable
S56.5
Injury of other extensor muscle, fascia and tendon at forearm level
Non-billable
S56.8
Injury of other muscles, fascia and tendons at forearm level
Non-billable
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