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O9A.5 vs T74.91XS

O9A.5 (Psychological abuse complicating pregnancy, childbirth and the puerperium) compared with T74.91XS (Unspecified adult maltreatment, confirmed, sequela), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

T74.91XS
Unspecified adult maltreatment, confirmed, sequela
↔
O9A.5
Psychological abuse complicating pregnancy, childbirth and the puerperium

Not coded here — these two are mutually exclusive.

“abuse and maltreatment in pregnancy (O9A.3-, O9A.4-, O9A.5-)”

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. T74.91XS carries an Excludes1 note covering O9A.5: “abuse and maltreatment in pregnancy (O9A.3-, O9A.4-, O9A.5-)”

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

O9A.5Psychological abuse complicating pregnancy, childbirth and the puerperiumT74.91XSUnspecified adult maltreatment, confirmed, sequela
Billing statusNon-billable headerBillable
ClassificationO00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionPsychological abuse complicating pregnancy, childbirth and the puerperium is a non-billable ICD-10-CM category code (O9A.5).Unspecified adult maltreatment, confirmed, sequela is a billable ICD-10-CM diagnosis code (T74.91S).
7th character—The appropriate 7th character is to be added to each code from category T74
Includes
Conditions in T74.31 or T76.31
—
Use additional code
code to identify the perpetrator of abuse (Y07.-)
code, if applicable, to identify any associated current injury
external cause code to identify perpetrator, if known (Y07.-)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources