Billable / Specific Code
ICD-10-CM S31.657 is the diagnosis code for Open bite of abdominal wall, left flank with penetration into peritoneal cavity. 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 S31.657 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, S31.657 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S31.657 is the ICD-10-CM diagnosis code for "Open bite of abdominal wall, left flank with penetration into peritoneal cavity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of S31.657 is S31.65 ("Open bite of abdominal wall with penetration into peritoneal cavity"). S31.657 provides a more specific classification within this category.
S31.657 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 S31.657 when the patients documented diagnosis matches "Open bite of abdominal wall, left flank with penetration into peritoneal cavity" 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 bite of abdominal wall, left flank with penetration into peritoneal cavity is S31.657.
Yes, S31.657 can be used as a primary diagnosis code since it is billable and specific.
S31.657 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, S31.657 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.