S31.021ABillable
Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter
Short description: Lac w fb of lower back and pelvis w penet retroperiton, init
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S31
- Effective date
- October 1, 2026
Related codes in category S31
S31Opn wnd abdomen, lower back, pelvis and external genitalsS31.0Open wound of lower back and pelvisS31.00Unspecified open wound of lower back and pelvisS31.000Unsp opn wnd lower back and pelvis w/o penet retroperitonS31.000AUnsp opn wnd low back and pelv w/o penet retroperiton, initYesS31.000DUnsp opn wnd low back and pelv w/o penet retroperiton, subsYesS31.000SUnsp opn wnd low back and pelv w/o penet retroperiton, sqlaYesS31.001Unsp opn wnd lower back and pelvis w penet retroperitonS31.001AUnsp opn wnd low back and pelvis w penet retroperiton, initYesS31.001DUnsp opn wnd low back and pelvis w penet retroperiton, subsYesS31.001SUnsp opn wnd low back and pelvis w penet retroperiton, sqlaYesS31.01Laceration without foreign body of lower back and pelvis
Frequently asked questions
What is ICD-10 code S31.021A?
S31.021A is an ICD-10-CM diagnosis code for Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter.
Is S31.021A a billable code?
Yes. S31.021A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is S31.021A in?
S31.021A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S31.021A become effective?
S31.021A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S31.021A?
S31.021A belongs to category S31, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.