{"code":"Q13","type":"category","title":"Congenital malformations of anterior segment of eye","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["cleft lip and cleft palate (Q35-Q37)","congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)","congenital malformation of larynx (Q31.-)","congenital malformation of lip NEC (Q38.0)","congenital malformation of nose (Q30.-)","congenital malformation of parathyroid gland (Q89.2)","congenital malformation of thyroid gland (Q89.2)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["Q13.0","Q13.1","Q13.2","Q13.3","Q13.4","Q13.5","Q13.8","Q13.9"],"inclusionTerms":[],"sibling_titles":{"code":"Q13.9","title":"Congenital malformation of anterior segment of eye, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Congenital malformations of anterior segment of eye is a non-billable ICD-10-CM category code (Q13). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","officialDefinition":"Congenital malformations of anterior segment of eye is a non-billable ICD-10-CM category code (Q13). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","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":[{"code":"Q13.0","title":"Coloboma of iris","description":"Coloboma of iris is a billable ICD-10-CM diagnosis code (Q13.0). Inclusion terms: Coloboma NOS. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.0-coloboma-of-iris"},{"code":"Q13.1","title":"Absence of iris","description":"Absence of iris is a billable ICD-10-CM diagnosis code (Q13.1). Inclusion terms: Aniridia. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2). Use additional code: code for associated glaucoma (H42).","isBillable":true,"slug":"q13.1-absence-of-iris"},{"code":"Q13.2","title":"Other congenital malformations of iris","description":"Other congenital malformations of iris is a billable ICD-10-CM diagnosis code (Q13.2). Inclusion terms: Anisocoria, congenital; Atresia of pupil; Congenital malformation of iris NOS; Corectopia. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.2-other-congenital-malformations-of-iris"},{"code":"Q13.3","title":"Congenital corneal opacity","description":"Congenital corneal opacity is a billable ICD-10-CM diagnosis code (Q13.3). Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.3-congenital-corneal-opacity"},{"code":"Q13.4","title":"Other congenital corneal malformations","description":"Other congenital corneal malformations is a billable ICD-10-CM diagnosis code (Q13.4). Inclusion terms: Congenital malformation of cornea NOS; Microcornea; Peter's anomaly. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.4-other-congenital-corneal-malformations"},{"code":"Q13.5","title":"Blue sclera","description":"Blue sclera is a billable ICD-10-CM diagnosis code (Q13.5). Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.5-blue-sclera"},{"code":"Q13.8","title":"Other congenital malformations of anterior segment of eye","description":"Other congenital malformations of anterior segment of eye is a non-billable ICD-10-CM category code (Q13.8). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":false,"slug":"q13.8-other-congenital-malformations-of-anterior-segment-of-eye"},{"code":"Q13.81","title":"Rieger anomaly","description":"Rieger anomaly is a billable ICD-10-CM diagnosis code (Q13.81). Inclusion terms: Axenfeld-Rieger syndrome. Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2). Use additional code: code for associated glaucoma (H42). Code also: any other associated congenital malformations such as cardiac defects.","isBillable":true,"slug":"q13.81-rieger-anomaly"},{"code":"Q13.89","title":"Other congenital malformations of anterior segment of eye","description":"Other congenital malformations of anterior segment of eye is a billable ICD-10-CM diagnosis code (Q13.89). Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.89-other-congenital-malformations-of-anterior-segment-of-eye"},{"code":"Q13.9","title":"Congenital malformation of anterior segment of eye, unspecified","description":"Congenital malformation of anterior segment of eye, unspecified is a billable ICD-10-CM diagnosis code (Q13.9). Excludes2 (not included here): cleft lip and cleft palate (Q35-Q37); congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4); congenital malformation of larynx (Q31.-); congenital malformation of lip NEC (Q38.0); congenital malformation of nose (Q30.-); congenital malformation of parathyroid gland (Q89.2); congenital malformation of thyroid gland (Q89.2).","isBillable":true,"slug":"q13.9-congenital-malformation-of-anterior-segment-of-eye-unspecified"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}