Skip to main content

S31.106A vs S31.107A

S31.106A (Unspecified open wound of abdominal wall, right flank without penetration into peritoneal cavity, initial encounter) compared with S31.107A (Unspecified open wound of abdominal wall, left flank without penetration into peritoneal cavity, initial encounter), from the official CMS tabular data. S31.106A and S31.107A code the same condition on opposite sides.

Can these codes be reported together?

Same condition, opposite side. S31.106A and S31.107A 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

S31.106AUnspecified open wound of abdominal wall, right flank without penetration into peritoneal cavity, initial encounterS31.107AUnspecified open wound of abdominal wall, left flank without penetration into peritoneal cavity, initial 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 abdominal wall, right flank without penetration into peritoneal cavity, initial encounter is a billable ICD-10-CM diagnosis code (S31.106A).Unspecified open wound of abdominal wall, left flank without penetration into peritoneal cavity, initial encounter is a billable ICD-10-CM diagnosis code (S31.107A).
7th characterThe appropriate 7th character is to be added to each code from category S31The appropriate 7th character is to be added to each code from category S31
Includes
injuries to the abdominal wall
injuries to the anus
injuries to the buttock
injuries to the external genitalia
injuries to the abdominal wall
injuries to the anus
injuries to the buttock
injuries to the external genitalia

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources