S66.401 (Unspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level)
compared with
S66.409 (Unspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level),
from the official CMS tabular data. S66.401 and S66.409 code the same condition on opposite sides. MedCoder-derived
Unspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Can these codes be reported together?
Same condition, opposite side. S66.401 and S66.409 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
S00-T88 — Injury, poisoning and certain other consequences of external causes
S00-T88 — Injury, poisoning and certain other consequences of external causes
Definition
Unspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level is a non-billable ICD-10-CM category code (S66.401).
Unspecified injury of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level is a non-billable ICD-10-CM category code (S66.409).
7th character
The appropriate 7th character is to be added to each code from category S66
The appropriate 7th character is to be added to each code from category S66