Z91.B Personal risk factor of exposure to diethylstilbestrol
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applicable to
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-)
Applies from Z91 Personal risk factors, not elsewhere classified
Excludes2 (not included here)
contact with and (suspected) exposures hazardous to health (Z77.-)
exposure to pollution and other problems related to physical environment (Z77.1-)
female genital mutilation status (N90.81-)
occupational exposure to risk factors (Z57.-)
personal history of physical injury and trauma (Z87.81, Z87.82-)
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Diagnosis Index entries for Z91.B
DES › child (daughter) (son)
DES › second generation
Exposure (to) › risk factor, personal, to diethylstilbestrol (DES) (in utero)