{"code":"T79.4XXA","type":"code","title":"Traumatic shock, initial encounter","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["anaphylactic shock due to adverse food reaction (T78.0-)","anaphylactic shock due to correct medicinal substance properly administered (T88.6)","anaphylactic shock due to serum (T80.5-)","anaphylactic shock NOS (T78.2)","electric shock (T75.4)","nontraumatic shock NEC (R57.-)","obstetric shock (O75.1)","postprocedural shock (T81.1-)","septic shock (R65.21)","shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)","shock due to anesthesia (T88.2)","shock due to lightning (T75.01)","shock NOS (R57.9)"],"excludes2":["acute respiratory distress syndrome (J80)","complications occurring during or following medical procedures (T80-T88)","complications of surgical and medical care NEC (T80-T88)","newborn respiratory distress syndrome (P22.0)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["T79","T79.0","T79.1","T79.2","T79.4","T79.5","T79.6","T79.7","T79.8","T79.9","T79.A","T79.A0","T79.A1","T79.A11","T79.A11A","T79.A11D","T79.A11S","T79.A12","T79.A12A","T79.A12D","T79.A12S","T79.A19","T79.A19A","T79.A19D","T79.A19S","T79.A2","T79.A21","T79.A21A","T79.A21D","T79.A21S","T79.A22","T79.A22A","T79.A22D","T79.A22S","T79.A29","T79.A29A","T79.A29D","T79.A29S","T79.A3","T79.A9"],"inclusionTerms":["Shock (immediate) (delayed) following injury"],"sibling_titles":{"code":"T79.A9S","title":"Traumatic compartment syndrome of other sites, sequela","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Traumatic shock, initial encounter is a billable ICD-10-CM diagnosis code (T79.4A). Inclusion terms: Shock (immediate) (delayed) following injury. Excludes1 (not coded here): anaphylactic shock due to adverse food reaction (T78.0-); anaphylactic shock due to correct medicinal substance properly administered (T88.6); anaphylactic shock due to serum (T80.5-); anaphylactic shock NOS (T78.2); electric shock (T75.4); nontraumatic shock NEC (R57.-); obstetric shock (O75.1); postprocedural shock (T81.","officialDefinition":"Traumatic shock, initial encounter is a billable ICD-10-CM diagnosis code (T79.4A). Inclusion terms: Shock (immediate) (delayed) following injury. Excludes1 (not coded here): anaphylactic shock due to adverse food reaction (T78.0-); anaphylactic shock due to correct medicinal substance properly administered (T88.6); anaphylactic shock due to serum (T80.5-); anaphylactic shock NOS (T78.2); electric shock (T75.4); nontraumatic shock NEC (R57.-); obstetric shock (O75.1); postprocedural shock (T81.1-); septic shock (R65.21); shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3); shock due to anesthesia (T88.2); shock due to lightning (T75.01); shock NOS (R57.9). Excludes2 (not included here): acute respiratory distress syndrome (J80); complications occurring during or following medical procedures (T80-T88); complications of surgical and medical care NEC (T80-T88); newborn respiratory distress syndrome (P22.0). 7th character: The appropriate 7th character is to be added to each code from category T79.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category T79"],"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":"","hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"2","label":"Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock","family":"","suppresses":[]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"173"}]}}