S66.421D (Laceration of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter)
compared with
S66.429D (Laceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter),
from the official CMS tabular data. S66.421D and S66.429D code the same condition on opposite sides. MedCoder-derived
Laceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent 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. S66.421D and S66.429D 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
Laceration of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level, subsequent encounter is a billable ICD-10-CM diagnosis code (S66.421D).
Laceration of intrinsic muscle, fascia and tendon of unspecified thumb at wrist and hand level, subsequent encounter is a billable ICD-10-CM diagnosis code (S66.429D).
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