P05 – Disorders of newborn related to slow fetal growth and fetal malnutrition

P05 – Disorders of newborn related to slow fetal growth and fetal malnutrition

Read this in-depth guide on ICD-10-CM code P05, its clinical details, billability, synonyms, related codes, and FAQs.

By Patricia Buenaventura on Aug 8, 2025.

Fact Checked by Karina Jimenea.

Use Code

P05 diagnosis code: Disorders of newborn related to slow fetal growth and fetal malnutrition

  • The P05 ICD 10 code under the Chapter XI: Certain conditions originating in the perinatal period, represents a range of disorders in newborns linked to slow fetal growth and malnutrition before birth.
  • This code applies to conditions originating in the perinatal period, specifically those related to short gestation and low birth weight.
  • The conditions this code specifies are typically identified during pregnancy or within the first 28 days of postnatal life.
  • A physician might use this code to document medical conditions resulting from fetal malnutrition, such as intrauterine growth restriction or low birth weight.
  • Some examples of the more specific codes under this are P05.00: Newborn light for gestational age, unspecified weight; P05.19: Newborn small for gestational age, other.

Is P05 billable?

No, P05 is not a billable code. However, the more specific codes under it are billable.

Clinical information

  • Fetal malnutrition can occur for various reasons, including maternal malnutrition, placental insufficiency, or an underlying fetal condition.
  • Disorders related to slow fetal growth and malnutrition can lead to various health issues in newborns, such as poor immune function, developmental delays, and increased susceptibility to infections.
  • Early detection and intervention are crucial to mitigate the potential long-term effects of these conditions.
  • Depending on the severity and associated complications, these conditions require multidisciplinary care involving obstetricians, pediatricians, dietitians, and potentially other specialists.

Synonyms include

  • Intrauterine growth retardation (IUGR)
  • Small for gestational age (SGA)
  • Fetal malnutrition
  • Low birth weight
  • Underweight newborn

Other ICD-10 codes commonly used for disorders of newborn

  • P07: Disorders of newbord related to short gestation and low birth weight, not elsewhere classified
  • P08: Disorders of newborn related to long gestation and high birth weight

Commonly asked questions

The P05 code denotes newborns' disorders related to slow fetal growth and malnutrition during the fetal period.

Yes, P05 is a billable code used in medical billing to indicate a diagnosis for reimbursement purposes.

Diseases characterized by P05 can lead to health issues such as poor immune function, developmental delays, increased susceptibility to infections, and other complications.

Related ICDs

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