ICD-10-CM S31.839 is the diagnosis code for Unspecified open wound of anus. 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 S31.839 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S31.839 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S31.839 is the ICD-10-CM diagnosis code for "Unspecified open wound of anus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S31.839 is S31.83 ("Open wound of anus"). S31.839 provides a more specific classification within this category.
S31.839 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 S31.839 when the patients documented diagnosis matches "Unspecified open wound of anus" 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 anus is S31.839.
Yes, S31.839 can be used as a primary diagnosis code since it is billable and specific.
S31.839 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S31.839 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.