S56.391A (Other injury of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter)
compared with
S56.399A (Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter),
from the official CMS tabular data. S56.391A and S56.399A code the same condition on opposite sides.
Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, 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. S56.391A and S56.399A 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 extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter is a billable ICD-10-CM diagnosis code (S56.391A).
Other injury of extensor or abductor muscles, fascia and tendons of unspecified thumb at forearm level, initial encounter is a billable ICD-10-CM diagnosis code (S56.399A).
7th character
The appropriate 7th character is to be added to each code from category S56
The appropriate 7th character is to be added to each code from category S56