S31
⚠ Non-billable
Open wound of abdomen, lower back, pelvis and external genitals
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S31
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S31?
ICD-10-CM code S31 represents Open wound of abdomen, lower back, pelvis and external genitals. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S31 billable?
No. S31 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is S31 in?
S31 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S31 category
S31.0
Open wound of lower back and pelvis
Non-billable
S31.1
Open wound of abdominal wall without penetration into peritoneal cavity
Non-billable
S31.2
Open wound of penis
Non-billable
S31.3
Open wound of scrotum and testes
Non-billable
S31.4
Open wound of vagina and vulva
Non-billable
S31.5
Open wound of unspecified external genital organs
Non-billable
S31.6
Open wound of abdominal wall with penetration into peritoneal cavity
Non-billable
S31.8
Open wound of other parts of abdomen, lower back and pelvis
Non-billable
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