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H40.41X1 vs Q15.0

H40.41X1 (Glaucoma secondary to eye inflammation, right eye, mild stage) compared with Q15.0 (Congenital glaucoma), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

H40.41X1
Glaucoma secondary to eye inflammation, right eye, mild stage
Q15.0
Congenital glaucoma

Not coded here — these two are mutually exclusive.

“congenital glaucoma (Q15.0)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. H40.41X1 carries an Excludes1 note covering Q15.0: “congenital glaucoma (Q15.0)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

H40.41X1Glaucoma secondary to eye inflammation, right eye, mild stageQ15.0Congenital glaucoma
Billing statusBillableBillable
ClassificationH00-H59 — Diseases of the Eye and Adnexa (H00-H59)Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)
DefinitionGlaucoma secondary to eye inflammation, right eye, mild stage is a billable ICD-10-CM diagnosis code (H40.411).Congenital glaucoma is a billable ICD-10-CM diagnosis code (Q15.0).
7th characterOne of the following 7th characters is to be assigned to each code in subcategory H40.4 to designate the stage of glaucoma
Includes
Axenfeld's anomaly
Buphthalmos
Glaucoma of childhood
Glaucoma of newborn

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