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

ICD10CM code

#### Name of the Condition
- Newborn Light for Gestational Age, 1000-1249 grams
- Medical Term: Low Birth Weight - Light for Gestational Age

#### Summary
Newborns categorized as light for gestational age (LGA) weigh less than expected based on their gestational duration. For those specifically weighing between 1000-1249 grams, this condition highlights infants significantly underweight compared to gestational norms, raising potential health concerns.

#### Causes
- Intrauterine Growth Restriction (IUGR)
- Maternal factors such as malnutrition, anemia, or chronic diseases.
- Placental insufficiency leading to inadequate nutrient and oxygen supply.

#### Risk Factors
- Maternal hypertension or pre-eclampsia.
- Smoking, alcohol, or drug use during pregnancy.
- Teenage pregnancies or advanced maternal age.
- Poor prenatal care or low socioeconomic conditions.

#### Symptoms
- Lower subcutaneous fat.
- Loose, dry skin with little muscle tone.
- Difficulty maintaining body temperature and feeding issues.

#### Diagnosis
- Routine prenatal ultrasound for fetal size and development.
- Postnatal measurement of weight relative to gestational age charts.

#### Treatment Options
- Nutritional support and supplementation to promote weight gain.
- Temperature regulation and monitoring in a neonatal intensive care unit (NICU).
- Treatment of any underlying medical issues or complications.

#### Prognosis and Follow-Up
- Prognosis varies; many infants catch up in growth with proper care.
- Regular pediatric assessments are crucial to monitor growth, nutrition, and overall development.

#### Complications
- Increased risk of hypoglycemia, hypocalcemia, and respiratory distress.
- Possibility of developing developmental delays or neurological complications.

#### Lifestyle & Prevention
- Adequate maternal nutrition and health monitoring during pregnancy.
- Avoidance of harmful substances by the mother.
- Early and continual antenatal care to address and manage risks.

#### When to Seek Professional Help
- Concerns about the newborn's feeding, growth, or development.
- Signs of respiratory distress, lethargy, or inability to maintain body temperature.

#### Additional Resources
- March of Dimes: [marchofdimes.org](https://www.marchofdimes.org)
- American Academy of Pediatrics: [aap.org](https://www.aap.org)
- National Institute of Child Health and Human Development: [nichd.nih.gov](https://www.nichd.nih.gov)

#### Tips for Medical Coders
- Ensure accurate weight classification within 1000-1249 grams for correct coding.
- Verify the specific gestational age to classify appropriately as LGA.
- Common errors: Confusing with other low birth weight categories; double-check coding based on clinical documentation.

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