S56.407
Unspecified injury of extensor muscle, fascia and tendon of right little finger at forearm level
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 8 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
Alongside this code 8 same parent — S56.40
S56.401 Unsp inj extensor musc/fasc/tend r idx fngr at forarm lv category S56.402 Unsp inj extensor musc/fasc/tend l idx fngr at forarm lv category S56.403 Unsp inj extensor musc/fasc/tend r mid finger at forarm lv category S56.404 Unsp inj extensor musc/fasc/tend l mid finger at forarm lv category S56.405 Unsp inj extensor musc/fasc/tend r rng fngr at forarm lv category S56.406 Unsp inj extensor musc/fasc/tend l rng fngr at forarm lv category S56.408 Unsp inj extn musc/fasc/tend l little finger at forarm lv category S56.409 Unsp inj extensor musc/fasc/tend unsp finger at forarm lv category
Subordinate codes 3
Medications 2
2 Chemical and Drug Induced Liver Injury drugs 1 Chemical and Drug Induced Liver Injury, Chronic drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.