S31.8
Non-Billable

Open wound of other parts of abdomen, lower back and pelvis

Non-Billable / Non-Specific Code

What is Open wound of other parts of abdomen, lower back and pelvis?

ICD-10-CM S31.8 is the diagnosis code for Open wound of other parts of abdomen, lower back and pelvis. 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 S31.8

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 S31.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
S31.80Open wound of unspecified buttockNon-BillableS31.801Laceration without foreign body of unspecified buttockBillableS31.802Laceration with foreign body of unspecified buttockBillableS31.803Puncture wound without foreign body of unspecified buttockBillableS31.804Puncture wound with foreign body of unspecified buttockBillableS31.805Open bite of unspecified buttockBillableS31.809Unspecified open wound of unspecified buttockBillableS31.81Open wound of right buttockNon-BillableS31.811Laceration without foreign body of right buttockBillableS31.812Laceration with foreign body of right buttockBillableS31.813Puncture wound without foreign body of right buttockBillableS31.814Puncture wound with foreign body of right buttockBillableS31.815Open bite of right buttockBillableS31.819Unspecified open wound of right buttockBillableS31.82Open wound of left buttockNon-BillableS31.821Laceration without foreign body of left buttockBillableS31.822Laceration with foreign body of left buttockBillableS31.823Puncture wound without foreign body of left buttockBillableS31.824Puncture wound with foreign body of left buttockBillableS31.825Open bite of left buttockBillableS31.829Unspecified open wound of left buttockBillableS31.83Open wound of anusNon-BillableS31.831Laceration without foreign body of anusBillableS31.832Laceration with foreign body of anusBillableS31.833Puncture wound without foreign body of anusBillableS31.834Puncture wound with foreign body of anusBillableS31.835Open bite of anusBillableS31.839Unspecified open wound of anusBillable
Related Codes

Frequently Asked Questions

Is S31.8 a billable ICD-10-CM code?

No, S31.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S31.8 mean?

S31.8 is the ICD-10-CM diagnosis code for "Open wound of other parts of abdomen, lower back and pelvis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S31.8?

The parent code of S31.8 is S31 ("Open wound of abdomen, lower back, pelvis and external genitals"). S31.8 provides a more specific classification within this category.

What section is S31.8 in?

S31.8 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 S31.8?

S31.8 has 4 sub-code(s) that provide more specific detail: S31.80, S31.81, S31.82, S31.83.

When should I use S31.8?

Use S31.8 when the patients documented diagnosis matches "Open wound of other parts of abdomen, lower back and pelvis" 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 other parts of abdomen, lower back and pelvis?

The ICD-10-CM code for Open wound of other parts of abdomen, lower back and pelvis is S31.8.

Can S31.8 be used for primary diagnosis?

No, S31.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S31.8 in?

S31.8 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S31.8 valid for 2026?

Yes, S31.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS31.65AOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavityNext →S31.80Open wound of unspecified buttock
Code Details
S31.8
Open wound of other parts of abdomen, lower back and pelvis
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