ICD-10-CM · FY 2026 APRIL UPDATE

S31.6

Open wound of abdominal wall with penetration into peritoneal cavity

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
S31.60	Unspecified open wound of abdominal wall with penetration into peritoneal cavity	Category
S31.600	Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity	Category
S31.600A	Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, initial encounter	Billable
S31.600D	Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, subsequent encounter	Billable
S31.600S	Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavity, sequela	Billable
S31.601	Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity	Category
S31.601A	Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, initial encounter	Billable
S31.601D	Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, subsequent encounter	Billable
S31.601S	Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavity, sequela	Billable
S31.602	Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity	Category
S31.602A	Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, initial encounter	Billable
S31.602D	Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, subsequent encounter	Billable
S31.602S	Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavity, sequela	Billable
S31.603	Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity	Category
S31.603A	Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, initial encounter	Billable
S31.603D	Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, subsequent encounter	Billable
S31.603S	Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavity, sequela	Billable
S31.604	Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity	Category
S31.604A	Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter	Billable
S31.604D	Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, subsequent encounter	Billable
S31.604S	Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, sequela	Billable
S31.605	Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity	Category
S31.605A	Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, initial encounter	Billable
S31.605D	Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, subsequent encounter	Billable
S31.605S	Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity, sequela	Billable
S31.606	Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity	Category
S31.606A	Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity, initial encounter	Billable
S31.606D	Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity, subsequent encounter	Billable
S31.606S	Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavity, sequela	Billable
S31.607	Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavity	Category

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.