{"code":"S04.812D","type":"code","title":"Injury of olfactory [1st ] nerve, left side, subsequent encounter","codeAlso":["any associated:","open wound of head (S01.-)","skull fracture (S02.-)","for any associated infection"],"includes":["injuries of ear","injuries of eye","injuries of face [any part]","injuries of gum","injuries of jaw","injuries of oral cavity","injuries of palate","injuries of periocular area","injuries of scalp","injuries of temporomandibular joint area","injuries of tongue","injuries of tooth"],"modern_v":"official26","codeFirst":["any associated intracranial injury (S06.-)"],"excludes1":[],"excludes2":["burns and corrosions (T20-T32)","effects of foreign body in ear (T16)","effects of foreign body in larynx (T17.3)","effects of foreign body in mouth NOS (T18.0)","effects of foreign body in nose (T17.0-T17.1)","effects of foreign body in pharynx (T17.2)","effects of foreign body on external eye (T15.-)","frostbite (T33-T34)","insect bite or sting, venomous (T63.4)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Injury of olfactory [1st ] nerve, left side, subsequent encounter is a billable ICD-10-CM diagnosis code (S04.812D). Includes: injuries of ear; injuries of eye; injuries of face [any part]; injuries of gum; injuries of jaw; injuries of oral cavity; injuries of palate; injuries of periocular area; injuries of scalp; injuries of temporomandibular joint area; injuries of tongue; injuries of tooth.","officialDefinition":"Injury of olfactory [1st ] nerve, left side, subsequent encounter is a billable ICD-10-CM diagnosis code (S04.812D). Includes: injuries of ear; injuries of eye; injuries of face [any part]; injuries of gum; injuries of jaw; injuries of oral cavity; injuries of palate; injuries of periocular area; injuries of scalp; injuries of temporomandibular joint area; injuries of tongue; injuries of tooth. Excludes2 (not included here): burns and corrosions (T20-T32); effects of foreign body in ear (T16); effects of foreign body in larynx (T17.3); effects of foreign body in mouth NOS (T18.0); effects of foreign body in nose (T17.0-T17.1); effects of foreign body in pharynx (T17.2); effects of foreign body on external eye (T15.-); frostbite (T33-T34); insect bite or sting, venomous (T63.4). Code first: any associated intracranial injury (S06.-). Code also: any associated:; open wound of head (S01.-); skull fracture (S02.-); for any associated infection. 7th character: The appropriate 7th character is to be added to each code from category S04.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category S04"],"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":{"burns and corrosions (T20-T32)":"S04","effects of foreign body in ear (T16)":"S04","effects of foreign body in larynx (T17.3)":"S04","effects of foreign body in mouth NOS (T18.0)":"S04","effects of foreign body in nose (T17.0-T17.1)":"S04","effects of foreign body in pharynx (T17.2)":"S04","effects of foreign body on external eye (T15.-)":"S04","frostbite (T33-T34)":"S04","insect bite or sting, venomous (T63.4)":"S04","any associated intracranial injury (S06.-)":"S04","injuries of ear":"S04","injuries of eye":"S04","injuries of face [any part]":"S04","injuries of gum":"S04","injuries of jaw":"S04","injuries of oral cavity":"S04","injuries of palate":"S04","injuries of periocular area":"S04","injuries of scalp":"S04","injuries of temporomandibular joint area":"S04","injuries of tongue":"S04","injuries of tooth":"S04","The selection of side should be based on the side of the body being affected":"S04"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}