Code Structure
ICD-10-PCS codes have 7 characters.
Individual units for each character are called values and are represented by a letter or number. The 34 possible values for each character consist of:
- Letters A-H, J-N, and P-Z
- Numbers 0-9
To avoid confusion with the numbers 0 and 1, the codes don’t use the letters O and I.
0LB50ZZ is the procedure code for Excision of right lower arm and wrist tendon, open approach.