ICD-10 Code S31.000A - Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter

ICD-10-CM Diagnosis Code S31.000A

Diagnosis Code: S31.000A (Raw: S31000A)

Description: Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code S31.000A is designated for Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.