P03.810

Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm before the onset of labor

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 6 never code together

P03code

Excludes2

encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)Z05.-

Excludes2

congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
tetanus neonatorum (A33)A33

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 4

P03code

Code first

Notes

These codes are for use when the listed maternal conditions are specified as the cause of confirmed morbidity or potential morbidity which have their origin in the perinatal period (before birth through the first 28 days after birth).

Notes

Codes from this chapter are for use on newborn records only, never on maternal records

Includes

conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

Index entries leading here 3

Newborn (infant) (liveborn) (singleton) Z38.2
- affected by
  - heart rate abnormalities
    - intrauterine P03.819
      - before onset of labor P03.810
Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) I49.9
- newborn
  - occurring before birth P03.819
    - before onset of labor P03.810
Dysrhythmia
- cardiac I49.9
  - newborn
    - occurring before birth P03.819
      - before onset of labor P03.810

Alongside this code 2 same parent — P03.81

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.