S66.999 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand.
Codes
S66.999A
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, initial encounter
S66.999D
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, subsequent encounter
S66.999S
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, sequela
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code