P56: Hydrops fetalis due to hemolytic disease
Codes under P56 (Hydrops fetalis due to hemolytic disease). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| P56.0 | Hydrops fetalis due to isoimmunization | ✓ |
| P56.0 | Hydrops fetalis due to isoimmunization | ✓ |
| P56.9 | Hydrops fetalis due to other and unspecified hemolytic disease | — |
| P56.9 | Hydrops fetalis due to other and unspecified hemolytic disease | — |
| P56.90 | Hydrops fetalis due to unspecified hemolytic disease | ✓ |
| P56.90 | Hydrops fetalis due to unspecified hemolytic disease | ✓ |
| P56.99 | Hydrops fetalis due to other hemolytic disease | ✓ |
| P56.99 | Hydrops fetalis due to other hemolytic disease | ✓ |
Frequently asked questions
What is ICD-10-CM code P56?
P56 is an ICD-10-CM category covering Hydrops fetalis due to hemolytic disease. It contains 8 more specific diagnosis codes, 6 of which are billable.
Is P56 a billable code?
No — P56 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 P56.0 — Hydrops fetalis due to isoimmunization). 6 of the 8 codes under P56 are billable.
What codes fall under P56?
P56 includes P56.0, P56.0, P56.9, P56.9, P56.90, plus 3 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free