2026 ICD-10-CM Diagnosis Code P05Disorders of newborn related to slow fetal growth and fetal malnutrition

ICD-10-CM Codes›P00–P96›P05-P08›P05

ICD-10-CM P05
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P05 is a non-billable ICD-10-CM category code for disorders of newborn related to slow fetal growth and fetal malnutrition, so it cannot be submitted on claims. Use a more specific code from this category instead, such as P05.00, P05.01, P05.02, and P05.03.

Code Identity

ICD-10-CM Code
P05
Billable Status
No — Non-Billable Category
Code Describes
Disorders of newborn related to slow fetal growth and fetal malnutrition
Chapter
P05-P08
Disorders of newborn related to length of gestation and fetal growth

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP05-P08Disorders of newborn related to length of gestation and fetal growth
CategoryP05Disorders of newborn related to slow fetal growth and fetal malnutrition
This CodeP05Disorders of newborn related to slow fetal growth and fetal malnutrition

Specific Coding for Disord of NB related to slow fetal growth and fetal malnutOverview

Non-specific codes like P05 require more characters. Use one of these billable codes instead:

  • P05.0 for Newborn light for gestational age

  • Use P05.00 for Newborn light for gestational age, unspecified weight

  • Use P05.01 for Newborn light for gestational age, less than 500 grams

  • Use P05.02 for Newborn light for gestational age, 500-749 grams

  • Use P05.03 for Newborn light for gestational age, 750-999 grams

  • Use P05.04 for Newborn light for gestational age, 1000-1249 grams

  • Use P05.05 for Newborn light for gestational age, 1250-1499 grams

  • Use P05.06 for Newborn light for gestational age, 1500-1749 grams

  • Use P05.07 for Newborn light for gestational age, 1750-1999 grams

  • Use P05.08 for Newborn light for gestational age, 2000-2499 grams

  • Use P05.09 for Newborn light for gestational age, 2500 grams and over

  • P05.1 for Newborn small for gestational age

  • Use P05.10 for Newborn small for gestational age, unspecified weight

  • Use P05.11 for Newborn small for gestational age, less than 500 grams

  • Use P05.12 for Newborn small for gestational age, 500-749 grams

  • Use P05.13 for Newborn small for gestational age, 750-999 grams

  • Use P05.14 for Newborn small for gestational age, 1000-1249 grams

  • Use P05.15 for Newborn small for gestational age, 1250-1499 grams

  • Use P05.16 for Newborn small for gestational age, 1500-1749 grams

  • Use P05.17 for Newborn small for gestational age, 1750-1999 grams

  • Use P05.18 for Newborn small for gestational age, 2000-2499 grams

  • Use P05.19 for Newborn small for gestational age, other

  • Use P05.2 for Newborn affected by fetal (intrauterine) malnutrition not light or small for gestational age

  • Use P05.9 for Newborn affected by slow intrauterine growth, unspecified

Patient EducationClinical

Birth Weight

Birth weight is the first weight of your baby, taken just after being born. A low birth weight means that the baby is less than 5 pounds, 8 ounces. A high birth weight means that the baby is more than 8 pounds, 13 ounces.

The full article covers:

  • What is birth weight?
  • What can cause low birth weight?
  • What problems can low birth weight cause?
  • What can cause high birth weight?
  • What problems can high birth weight cause?
  • Can birth weight problems be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P05Overview

Is P05 a billable code?

No. This is a category header that groups the codes for disorders of newborn related to slow fetal growth and fetal malnutrition, and headers cannot be submitted on claims. Claims for disorders of newborn related to slow fetal growth and fetal malnutrition need a more specific code from this category, such as P05.00, P05.01, and P05.02.