Z91.B: Personal risk factor of exposure to diethylstilbestrol

Z91.B is a new billable/specific and POA-exempt diagnosis code introduced in the 2026 ICD-10-CM used to classify the following condition: Personal risk factor of exposure to diethylstilbestrol.

Inclusion term

DES daughter or son
Personal risk factor of exposure to DES
Personal risk factor of exposure to DES in utero
Second generation DES exposure

Code also

Associated conditions, such as:

Conditions classifiable to C50.-
Osteoporosis (M80.-)
Premature menopause (E28.31-)

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Versions

2026
New code