Billable / Specific Code
ICD-10-CM S31.000 is the diagnosis code for Unspecified open wound of lower back and pelvis without penetration into retroperitoneum. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where S31.000 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S31.000 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S31.000 is the ICD-10-CM diagnosis code for "Unspecified open wound of lower back and pelvis without penetration into retroperitoneum". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S31.000 is S31.00 ("Unspecified open wound of lower back and pelvis"). S31.000 provides a more specific classification within this category.
S31.000 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.
Use S31.000 when the patients documented diagnosis matches "Unspecified open wound of lower back and pelvis without penetration into retroperitoneum" 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 Unspecified open wound of lower back and pelvis without penetration into retroperitoneum is S31.000.
Yes, S31.000 can be used as a primary diagnosis code since it is billable and specific.
S31.000 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S31.000 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.