S66.991A (Other injury of unspecified muscle, fascia and tendon at wrist and hand level, right hand, initial encounter)
compared with
S66.999A (Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, initial encounter),
from the official CMS tabular data. S66.991A and S66.999A code the same condition on opposite sides. MedCoder-derived
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, initial encounter
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. S66.991A and S66.999A 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
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, right hand, initial encounter is a billable ICD-10-CM diagnosis code (S66.991A).
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, initial encounter is a billable ICD-10-CM diagnosis code (S66.999A).
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