Is S56.399S a billable code?
Yes. S56.399S is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
S56.399S: Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
S56.399S is a billable ICD-10-CM diagnosis code for other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with S56.399S already added.Good Faith EstimateStart a cost estimate with S56.399S already added.CMS-1500 Claim FormFill a claim form with S56.399S in box 21.
Other codes in S56.399 Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level
S56.399S questions
What does S56.399S mean?
S56.399S is the ICD-10-CM code for Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, sequela. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.