Fetal Growth Restriction ICD-10-CM Codes

Fetal Growth Restriction ICD-10-CM Codes

Learn about the specific ICD-10 codes used for fetal growth restriction through this guide.

By Matt Olivares on Jul 16, 2025.

Fact Checked by Karina Jimenea.

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What ICD-10 codes are used for fetal growth restriction?

Fetal growth restriction (FGR) is a complex condition where a fetus is unable to achieve its genetically predestined potential size. It's an issue that requires careful monitoring and medical intervention to ensure the best possible outcome for the baby.

Diagnosing FGR is crucial for managing and caring for affected pregnancies. Here are the commonly used codes for this category:

  • O35.8XX0 - Maternal care for other (suspected) fetal abnormality and damage, not applicable or unspecified: Use this if the specific fetus hasn't been identified yet, otherwise, use any of the ones below.
  • O35.8XX1 - Maternal care for other (suspected) fetal abnormality and damage, fetus 1
  • O35.8XX2 - Maternal care for other (suspected) fetal abnormality and damage, fetus 2
  • O35.8XX3 - Maternal care for other (suspected) fetal abnormality and damage, fetus 3
  • O35.8XX4 - Maternal care for other (suspected) fetal abnormality and damage, fetus 4
  • O35.8XX5 - Maternal care for other (suspected) fetal abnormality and damage, fetus 5
  • O35.8XX9 - Maternal care for other (suspected) fetal abnormality and damage, other fetus: Use this if the specific fetus doesn't fit any of the fetus 1 to 5 codes.

Which fetal growth restriction ICD codes are billable?

All of the aforementioned fetal growth restriction ICD-10-CM codes are valid and billable.

Clinical information

  • FGR is a condition where the fetus does not grow at a normal rate within the womb.
  • It can lead to complications such as preterm birth, low birth weight, and neonatal morbidity.
  • Common causes include placental problems, chromosomal abnormalities, maternal lifestyle factors, and infections.
  • Monitoring may involve regular ultrasound scans and fetal monitoring.
  • Treatment may include lifestyle modifications, medication, or delivery if the condition becomes critical.

Synonyms include

  • Intrauterine growth restriction (IUGR)
  • Fetal growth retardation
  • Slow fetal growth
  • Fetal undergrowth
  • Inadequate fetal growth
  • Known or suspected poor fetal growth
  • Poor fetal growth due to fetal stress
  • Fetal growth restrictions due to placental transfusion syndrome
  • Suspected maternal issues contributing to fetal growth restrictions
  • Fetal growth restriction during an unspecified trimester

Popular search terms for fetal growth ICD-10-CM codes

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