Billable / Specific Code
ICD-10-CM S31.031 is the diagnosis code for Puncture wound without foreign body of lower back and pelvis with 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.
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.
Understanding where S31.031 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S31.031 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S31.031 is the ICD-10-CM diagnosis code for "Puncture wound without foreign body of lower back and pelvis with 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 S31.031 is S31.03 ("Puncture wound without foreign body of lower back and pelvis"). S31.031 provides a more specific classification within this category.
S31.031 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 S31.031 when the patients documented diagnosis matches "Puncture wound without foreign body of lower back and pelvis with 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 Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum is S31.031.
Yes, S31.031 can be used as a primary diagnosis code since it is billable and specific.
S31.031 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S31.031 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.