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S91.105D vs S91.106D

S91.105D (Unspecified open wound of left lesser toe(s) without damage to nail, subsequent encounter) compared with S91.106D (Unspecified open wound of unspecified lesser toe(s) without damage to nail, subsequent encounter), from the official CMS tabular data. S91.105D and S91.106D code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S91.105D
Left
Unspecified open wound of left lesser toe(s) without damage to nail, subsequent encounter
↔
S91.106D
Unspecified
Unspecified open wound of unspecified lesser toe(s) without damage to nail, 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. S91.105D and S91.106D 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.

Side by side

S91.105DUnspecified open wound of left lesser toe(s) without damage to nail, subsequent encounterS91.106DUnspecified open wound of unspecified lesser toe(s) without damage to nail, subsequent encounter
Billing statusBillableBillable
ClassificationS00-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)
DefinitionUnspecified open wound of left lesser toe(s) without damage to nail, subsequent encounter is a billable ICD-10-CM diagnosis code (S91.105D).Unspecified open wound of unspecified lesser toe(s) without damage to nail, subsequent encounter is a billable ICD-10-CM diagnosis code (S91.106D).
7th characterThe appropriate 7th character is to be added to each code from category S91The appropriate 7th character is to be added to each code from category S91
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources