S66.891A (Other injury of other specified muscles, fascia and tendons at wrist and hand level, right hand, initial encounter)
compared with
S66.899A (Other injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand, initial encounter),
from the official CMS tabular data. S66.891A and S66.899A code the same condition on opposite sides.
Other injury of other specified muscles, fascia and tendons 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. S66.891A and S66.899A 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)
S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
Definition
Other injury of other specified muscles, fascia and tendons at wrist and hand level, right hand, initial encounter is a billable ICD-10-CM diagnosis code (S66.891A).
Other injury of other specified muscles, fascia and tendons at wrist and hand level, unspecified hand, initial encounter is a billable ICD-10-CM diagnosis code (S66.899A).
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