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S31.051

⚠ Non-billable (Header)

Open bite of lower back and pelvis with penetration into retroperitoneum

Injury, poisoning and certain other consequences of external causes (S00-T88)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from S31.05

Rules from parent category S31.05: Open bite of lower back and pelvis

  • • superficial bite of lower back and pelvis (S30.860, S30.870)

Child Codes (3)

S31.051AOpen bite of lower back and pelvis with penetration into retroperitoneum, initial encounterS31.051DOpen bite of lower back and pelvis with penetration into retroperitoneum, subsequent encounterS31.051SOpen bite of lower back and pelvis with penetration into retroperitoneum, sequela

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Code Information

CodeS31.051
BillableNo — Header code
ParentS31.05
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)