{"code":"S04.2","type":"code","title":"Injury of trochlear nerve","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":false,"inclusionTerms":["Injury of 4th cranial nerve"],"useAdditionalCode":[],"clinicalDefinition":"is a non-billable ICD-10-CM category code (S04.2). A more specific billable subcode must be selected for claims submission. 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. Inclusion terms: Injury of 4th cranial nerve.","officialDefinition":"Injury of trochlear nerve is a non-billable ICD-10-CM category code (S04.2). A more specific billable subcode must be selected for claims submission. 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. Inclusion terms: Injury of 4th cranial nerve. 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":""}