Non-Billable / Non-Specific Code
ICD-10-CM S31 is the diagnosis code for Open wound of abdomen, lower back, pelvis and external genitals. This code falls under the section "Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals" within Chapter 19 â 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.
The following conditions should never be coded at the same time as S31. They are mutually exclusive:
The following conditions are not included in S31. If the patient has both, code each condition separately:
Understanding where S31 sits in the ICD-10-CM classification helps ensure proper coding:
No, S31 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
S31 is the ICD-10-CM diagnosis code for "Open wound of abdomen, lower back, pelvis and external genitals". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
S31 is located in Section S30-S39 â "Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals" within Chapter 19 of the ICD-10-CM Tabular List.
S31 has 8 sub-code(s) that provide more specific detail: S31.0, S31.1, S31.2, S31.3, S31.4 and more.
Use S31 when the patients documented diagnosis matches "Open wound of abdomen, lower back, pelvis and external genitals" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Open wound of abdomen, lower back, pelvis and external genitals is S31.
No, S31 is non-billable. Use a more specific sub-code for primary diagnosis billing.
S31 is in Chapter 19 of the ICD-10-CM Tabular List.
Type 1 Excludes for S31 include: traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3).
Yes, S31 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.