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BillableRh isoimmunization of newborn
P55.0 is the ICD-10-CM code for Rh isoimmunization of newborn. It is a billable, specific code valid for reimbursement.
P00-P96 Certain conditions originating in the perinatal period
What this means — in plain language
MedlinePlus · NIHWhat is the Rh factor? There are four major blood types: A, B, O, and AB. The types are based on substances found on your blood cells. Your blood type also has a positive or negative sign. This is called Rh factor, which is a protein. If your blood cells have this protein, you are Rh-positive. If you don't, you are Rh-negative. Rh factor is inherited (passed down through families). Most people are Rh-positive,…
Read more about Rh Incompatibility at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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