{"code":"H40.84","type":"code","title":"Neovascular secondary angle closure glaucoma","codeAlso":["the underlying condition such as:","central retinal vein occlusion (H34.81)","diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39)","retinal ischemia (H35.82)"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["absolute glaucoma (H44.51-)","congenital glaucoma (Q15.0)","traumatic glaucoma due to birth injury (P15.3)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Neovascular secondary angle closure glaucoma is a non-billable ICD-10-CM category code (H40.84). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): absolute glaucoma (H44.51-); congenital glaucoma (Q15.0); traumatic glaucoma due to birth injury (P15.3). Code also: the underlying condition such as:; central retinal vein occlusion (H34.81); diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39); retinal ischemia (H35.82).","officialDefinition":"Neovascular secondary angle closure glaucoma is a non-billable ICD-10-CM category code (H40.84). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): absolute glaucoma (H44.51-); congenital glaucoma (Q15.0); traumatic glaucoma due to birth injury (P15.3). Code also: the underlying condition such as:; central retinal vein occlusion (H34.81); diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39); retinal ischemia (H35.82).","seventhCharacterInstructions":[],"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":""}