Compare / S90.1 vs S90.31XS S90.1 vs S90.31XS S90.1 (Contusion of toe without damage to nail)
compared with
S90.31XS (Contusion of right foot, sequela),
from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2). MedCoder-derived
Relationship Informational
Excludes2 relationship S90.31XS Contusion of right foot, sequela
↔
S90.1 Contusion of toe without damage to nail
Distinct conditions — both may be reported.
“contusion of toes (S90.1-, S90.2-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Can these codes be reported together? Yes, when both are documented. S90.31XS carries an Excludes2 note covering S90.1: “contusion of toes (S90.1-, S90.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side S90.1 Contusion of toe without damage to nail S90.31XS Contusion of right foot, sequela Billing status Non-billable header Report instead: S90.111A , S90.111D , S90.111S , S90.112A , S90.112D
Billable Classification 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 Contusion of toe without damage to nail is a non-billable ICD-10-CM category code (S90.1). Contusion of right foot, sequela is a billable ICD-10-CM diagnosis code (S90.31XS). 7th character The appropriate 7th character is to be added to each code from category S90 The appropriate 7th character is to be added to each code from category S90
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice;
verify sequencing rules for the encounter.
All data sources