S31.6
Non-Billable

Open wound of abdominal wall with penetration into peritoneal cavity

Non-Billable / Non-Specific Code

What is Open wound of abdominal wall with penetration into peritoneal cavity?

ICD-10-CM S31.6 is the diagnosis code for Open wound of abdominal wall with penetration into peritoneal cavity. This code falls under the section "Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for S31.6

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where S31.6 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
S31.60Unspecified open wound of abdominal wall with penetration into peritoneal cavityNon-BillableS31.600Unspecified open wound of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.601Unspecified open wound of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.602Unspecified open wound of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.603Unspecified open wound of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.604Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.605Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.606Unspecified open wound of abdominal wall, right flank with penetration into peritoneal cavityBillableS31.607Unspecified open wound of abdominal wall, left flank with penetration into peritoneal cavityBillableS31.609Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.60AUnspecified open wound of abdominal wall, unspecified flank with penetration into peritoneal cavityBillableS31.61Laceration without foreign body of abdominal wall with penetration into peritoneal cavityNon-BillableS31.610Laceration without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.611Laceration without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.612Laceration without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.613Laceration without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.614Laceration without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.615Laceration without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.616Laceration without foreign body of abdominal wall, right flank with penetration into peritoneal cavityBillableS31.617Laceration without foreign body of abdominal wall, left flank with penetration into peritoneal cavityBillableS31.619Laceration without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.61ALaceration without foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavityBillableS31.62Laceration with foreign body of abdominal wall with penetration into peritoneal cavityNon-BillableS31.620Laceration with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.621Laceration with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.622Laceration with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.623Laceration with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.624Laceration with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.625Laceration with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.626Laceration with foreign body of abdominal wall, right flank with penetration into peritoneal cavityBillableS31.627Laceration with foreign body of abdominal wall, left flank with penetration into peritoneal cavityBillableS31.629Laceration with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.62ALaceration with foreign body of abdominal wall, unspecified flank with penetration into peritoneal cavityBillableS31.63Puncture wound without foreign body of abdominal wall with penetration into peritoneal cavityNon-BillableS31.630Puncture wound without foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.631Puncture wound without foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.632Puncture wound without foreign body of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.633Puncture wound without foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.634Puncture wound without foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.635Puncture wound without foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.636Puncture wound of abdominal wall without foreign body, right flank with penetration into peritoneal cavityBillableS31.637Puncture wound of abdominal wall without foreign body, left flank with penetration into peritoneal cavityBillableS31.639Puncture wound without foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.63APuncture wound of abdominal wall without foreign body, unspecified flank with penetration into peritoneal cavityBillableS31.64Puncture wound with foreign body of abdominal wall with penetration into peritoneal cavityNon-BillableS31.640Puncture wound with foreign body of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.641Puncture wound with foreign body of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.642Puncture wound with foreign body of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.643Puncture wound with foreign body of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.644Puncture wound with foreign body of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.645Puncture wound with foreign body of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.646Puncture wound of abdominal wall with foreign body, right flank with penetration into peritoneal cavityBillableS31.647Puncture wound of abdominal wall with foreign body, left flank with penetration into peritoneal cavityBillableS31.649Puncture wound with foreign body of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.64APuncture wound of abdominal wall with foreign body, unspecified flank with penetration into peritoneal cavityBillableS31.65Open bite of abdominal wall with penetration into peritoneal cavityNon-BillableS31.650Open bite of abdominal wall, right upper quadrant with penetration into peritoneal cavityBillableS31.651Open bite of abdominal wall, left upper quadrant with penetration into peritoneal cavityBillableS31.652Open bite of abdominal wall, epigastric region with penetration into peritoneal cavityBillableS31.653Open bite of abdominal wall, right lower quadrant with penetration into peritoneal cavityBillableS31.654Open bite of abdominal wall, left lower quadrant with penetration into peritoneal cavityBillableS31.655Open bite of abdominal wall, periumbilic region with penetration into peritoneal cavityBillableS31.656Open bite of abdominal wall, right flank with penetration into peritoneal cavityBillableS31.657Open bite of abdominal wall, left flank with penetration into peritoneal cavityBillableS31.659Open bite of abdominal wall, unspecified quadrant with penetration into peritoneal cavityBillableS31.65AOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavityBillable
Related Codes

Frequently Asked Questions

Is S31.6 a billable ICD-10-CM code?

No, S31.6 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S31.6 mean?

S31.6 is the ICD-10-CM diagnosis code for "Open wound of abdominal wall with penetration into peritoneal cavity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S31.6?

The parent code of S31.6 is S31 ("Open wound of abdomen, lower back, pelvis and external genitals"). S31.6 provides a more specific classification within this category.

What section is S31.6 in?

S31.6 is located in Section S30-S39 — "Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of S31.6?

S31.6 has 6 sub-code(s) that provide more specific detail: S31.60, S31.61, S31.62, S31.63, S31.64 and more.

When should I use S31.6?

Use S31.6 when the patients documented diagnosis matches "Open wound of abdominal wall with penetration into peritoneal cavity" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Open wound of abdominal wall with penetration into peritoneal cavity?

The ICD-10-CM code for Open wound of abdominal wall with penetration into peritoneal cavity is S31.6.

Can S31.6 be used for primary diagnosis?

No, S31.6 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S31.6 in?

S31.6 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S31.6 valid for 2026?

Yes, S31.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS31.552Open bite of unspecified external genital organs, femaleNext →S31.60Unspecified open wound of abdominal wall with penetration into peritoneal cavity
Code Details
S31.6
Open wound of abdominal wall with penetration into peritoneal cavity
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
S30-S39 — Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
2026 ICD-10-CM