Q12.8 is the authoritative medical code for Other congenital lens malformations. This classification is used in medical billing and clinical recording to specify the clinical criteria for other congenital lens malformations (ICD-10-CM Q12.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other congenital lens malformations is a billable ICD-10-CM diagnosis code Q12.8. Inclusion terms: Microphakia. 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Q12.8 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Q12.8 be reported alongside related conditions?
Per Excludes2 instructions, Q12.8 and the following may both be reported when both are present: 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).
What conditions are included under Q12.8?
Other congenital lens malformations includes: Microphakia.
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as Q12.8, with their registry titles.
- Q12 — Congenital lens malformations
- Q12.0 — Congenital cataract
- Q12.1 — Congenital displaced lens
- Q12.2 — Coloboma of lens
- Q12.3 — Congenital aphakia
- Q12.4 — Spherophakia
- Q12.9 — Congenital lens malformation, unspecified
Indexed Clinical Terms (8)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Cyst (colloid) (mucous) (simple) (retention), lens, congenital
- Distortion (s) (congenital), lens
- Hypoplasia, hypoplastic, zonule (ciliary)
- Lenticonus (anterior) (posterior) (congenital)
- Lentiglobus (posterior) (congenital)
- Microlentia (congenital)
- Microphakia (congenital)
- Persistence, persistent (congenital), capsule (opaque)
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code Q07.8
Other specified congenital malformations of nervous system
ICD Code Q13.8
Other congenital malformations of anterior segment of eye
ICD Code Q14.8
Other congenital malformations of posterior segment of eye