Skip to main content
Compare/Q12 vs Q30

Q12 vs Q30

Q12 (Congenital lens malformations) compared with Q30 (Congenital malformations of nose), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. Q12 carries an Excludes2 note covering Q30: “congenital malformation of nose (Q30.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

Q12Congenital lens malformationsQ30Congenital malformations of nose
Billing statusNon-billable header

Report instead: Q12.0, Q12.1, Q12.2, Q12.3, Q12.4

Non-billable header

Report instead: Q30.0, Q30.1, Q30.2, Q30.3, Q30.8

ClassificationQ00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)
DefinitionCongenital lens malformations is a non-billable ICD-10-CM category code (Q12).Congenital malformations of nose is a non-billable ICD-10-CM category code (Q30).
Edit this comparisonCheck a whole claim

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources