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S31.637D vs S31.63AD

S31.637D (Puncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavity, subsequent encounter) compared with S31.63AD (Puncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavity, subsequent encounter), from the official CMS tabular data. S31.637D and S31.63AD code the same condition on opposite sides.

Can these codes be reported together?

Same condition, opposite side. S31.637D and S31.63AD 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

S31.637DPuncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavity, subsequent encounterS31.63ADPuncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavity, 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)
DefinitionPuncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavity, subsequent encounter is a billable ICD-10-CM diagnosis code (S31.637D).Puncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavity, subsequent encounter is a billable ICD-10-CM diagnosis code (S31.63AD).
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