Z19: Hormone sensitivity malignancy status
Codes under Z19 (Hormone sensitivity malignancy status). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z19.1 | Hormone sensitive malignancy status | ✓ |
| Z19.1 | Hormone sensitive malignancy status | ✓ |
| Z19.2 | Hormone resistant malignancy status | ✓ |
| Z19.2 | Hormone resistant malignancy status | ✓ |
Frequently asked questions
What is ICD-10-CM code Z19?
Z19 is an ICD-10-CM category covering Hormone sensitivity malignancy status. It contains 4 more specific diagnosis codes, 4 of which are billable.
Is Z19 a billable code?
No — Z19 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z19.1 — Hormone sensitive malignancy status). 4 of the 4 codes under Z19 are billable.
What codes fall under Z19?
Z19 includes Z19.1, Z19.1, Z19.2, Z19.2. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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