Billable / Specific Code
ICD-10-CM P03.819 is the diagnosis code for Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset. This code falls under the section "Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery" within Chapter 16 — Certain conditions originating in the perinatal period (P00-P96). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where P03.819 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, P03.819 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
P03.819 is the ICD-10-CM diagnosis code for "Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of P03.819 is P03.81 ("Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm"). P03.819 provides a more specific classification within this category.
P03.819 is located in Section P00-P04 — "Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery" within Chapter 16 of the ICD-10-CM Tabular List.
Use P03.819 when the patients documented diagnosis matches "Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset is P03.819.
Yes, P03.819 can be used as a primary diagnosis code since it is billable and specific.
P03.819 is in Chapter 16 of the ICD-10-CM Tabular List.
Yes, P03.819 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.