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H90.A31 vs H91.3

H90.A31 (Mixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral side) compared with H91.3 (Deaf nonspeaking, not elsewhere classified), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

H90.A31
Mixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral side
H91.3
Deaf nonspeaking, not elsewhere classified

Not coded here — these two are mutually exclusive.

“deaf nonspeaking NEC (H91.3)”

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. H90.A31 carries an Excludes1 note covering H91.3: “deaf nonspeaking NEC (H91.3)”

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

H90.A31Mixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral sideH91.3Deaf nonspeaking, not elsewhere classified
Billing statusBillableBillable
ClassificationH60-H95 — Diseases of the Ear and Mastoid Process (H60-H95)H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95)
DefinitionMixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral side is a billable ICD-10-CM diagnosis code (H90.A31).Deaf nonspeaking, not elsewhere classified is a billable ICD-10-CM diagnosis code (H91.3).

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