ICD-10 Z84.A
Billable / SpecificFamily history of exposure to diethylstilbestrol
About ICD-10-CM Z84.A
ICD-10-CM code Z84.A represents Family history of exposure to diethylstilbestrol. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z84). The 2026 edition of ICD-10-CM Z84.A became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Z84.A. Per CMS ICD-10-CM Tabular 2026.
- DES granddaughter or grandson
- Family history of DES exposure
- Third generation DES exposure
Medicare LCD Coverage for Z84.A
Local Coverage Determinations (LCDs) from CMS MACs that list Z84.A as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z84.A.
1 Cigna
CPT Codes Commonly Billed with Z84.A
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To Z84.A
Other codes in section Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
ICD-10 Z84.A, Billing FAQ
Is ICD-10 code Z84.A billable? +
Yes, Z84.A is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to Z84.A? +
ICD-10 Z84.A includes: DES granddaughter or grandson; Family history of DES exposure; Third generation DES exposure.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team