{"code":"S31.604A","type":"code","title":"Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter","codeAlso":["any associated:","spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)","wound infection"],"includes":["injuries to the abdominal wall","injuries to the anus","injuries to the buttock","injuries to the external genitalia","injuries to the flank","injuries to the groin"],"modern_v":"official26","codeFirst":[],"excludes1":["traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)"],"excludes2":["open wound of hip (S71.00-S71.02)","open fracture of pelvis (S32.1--S32.9 with 7th character B)","burns and corrosions (T20-T32)","effects of foreign body in anus and rectum (T18.5)","effects of foreign body in genitourinary tract (T19.-)","effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)","frostbite (T33-T34)","insect bite or sting, venomous (T63.4)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["S31","S31.0","S31.000","S31.000A","S31.000D","S31.000S","S31.001","S31.001A","S31.001D","S31.001S","S31.010","S31.010A","S31.010D","S31.010S","S31.011","S31.011A","S31.011D","S31.011S","S31.020","S31.020A","S31.020D","S31.020S","S31.021","S31.021A","S31.021D","S31.021S","S31.030","S31.030A","S31.030D","S31.030S","S31.031","S31.031A","S31.031D","S31.031S","S31.040","S31.040A","S31.040D","S31.040S","S31.041","S31.041A","S31.041D","S31.041S","S31.050","S31.050A","S31.050D","S31.050S","S31.051","S31.051A","S31.051D","S31.051S","S31.1","S31.100","S31.100A","S31.100D","S31.100S","S31.101","S31.101A","S31.101D","S31.101S","S31.102","S31.102A","S31.102D","S31.102S","S31.103","S31.103A","S31.103D","S31.103S","S31.104","S31.104A","S31.104D","S31.104S","S31.105","S31.105A","S31.105D","S31.105S","S31.106","S31.106A","S31.106D","S31.106S","S31.107","S31.107A","S31.107D","S31.107S","S31.109","S31.109A","S31.109D","S31.109S","S31.10A","S31.10AA","S31.10AD","S31.10AS","S31.110"],"inclusionTerms":[],"sibling_titles":{"code":"S31.110","title":"Laceration without foreign body of abdominal wall, right upper quadrant without penetration into peritoneal cavity","isBillable":false},"useAdditionalCode":[],"clinicalDefinition":"Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter is a billable ICD-10-CM diagnosis code (S31.604A). Includes: injuries to the abdominal wall; injuries to the anus; injuries to the buttock; injuries to the external genitalia; injuries to the flank; injuries to the groin. Excludes1 (not coded here): traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3).","officialDefinition":"Unspecified open wound of abdominal wall, left lower quadrant with penetration into peritoneal cavity, initial encounter is a billable ICD-10-CM diagnosis code (S31.604A). Includes: injuries to the abdominal wall; injuries to the anus; injuries to the buttock; injuries to the external genitalia; injuries to the flank; injuries to the groin. Excludes1 (not coded here): traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3). Excludes2 (not included here): open wound of hip (S71.00-S71.02); open fracture of pelvis (S32.1--S32.9 with 7th character B); burns and corrosions (T20-T32); effects of foreign body in anus and rectum (T18.5); effects of foreign body in genitourinary tract (T19.-); effects of foreign body in stomach, small intestine and colon (T18.2-T18.4); frostbite (T33-T34); insect bite or sting, venomous (T63.4). Code also: any associated:; spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-); wound infection. 7th character: The appropriate 7th character is to be added to each code from category S31.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category S31"],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":"","noteProvenance":{"traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)":"S31","open wound of hip (S71.00-S71.02)":"S31","open fracture of pelvis (S32.1--S32.9 with 7th character B)":"S31","burns and corrosions (T20-T32)":"S31","effects of foreign body in anus and rectum (T18.5)":"S31","effects of foreign body in genitourinary tract (T19.-)":"S31","effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)":"S31","frostbite (T33-T34)":"S31","insect bite or sting, venomous (T63.4)":"S31","injuries to the abdominal wall":"S31","injuries to the anus":"S31","injuries to the buttock":"S31","injuries to the external genitalia":"S31","injuries to the flank":"S31","injuries to the groin":"S31"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}