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v1.0.0
ICD-10 Guide
ICD-10 CodesP74.1

P74.1

Billable

Dehydration of newborn

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 P74.1 is a billable code used to indicate a diagnosis of dehydration of newborn.

Key Diagnostic Point:

Dehydration in newborns is a significant clinical condition characterized by an imbalance of fluids and electrolytes, which can lead to serious complications if not promptly addressed. This condition often arises due to inadequate fluid intake, excessive fluid loss, or a combination of both. Newborns are particularly vulnerable due to their high surface area-to-volume ratio, immature renal function, and limited ability to communicate thirst. Clinical signs of dehydration may include dry mucous membranes, decreased urine output, lethargy, and poor skin turgor. In the neonatal intensive care unit (NICU), dehydration can occur due to factors such as inadequate breastfeeding, gastrointestinal losses (e.g., vomiting or diarrhea), or excessive insensible losses. Management typically involves careful rehydration, monitoring of electrolyte levels, and addressing the underlying cause of dehydration. It is crucial for healthcare providers to document the clinical assessment, treatment plan, and response to therapy to ensure accurate coding and billing.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of dehydration
  • Need for precise documentation of fluid intake and output
  • Differentiation from other electrolyte imbalances
  • Potential for co-existing conditions affecting hydration status

Audit Risk Factors

  • Inadequate documentation of fluid management
  • Failure to capture co-existing conditions
  • Misclassification of dehydration severity
  • Lack of clear treatment plans in medical records

Specialty Focus

Medical Specialties

Neonatology

Documentation Requirements

Detailed records of fluid intake, output, and electrolyte levels are essential. Documentation should include the newborn's weight, clinical signs of dehydration, and treatment interventions.

Common Clinical Scenarios

Common scenarios include a preterm infant with inadequate breastfeeding leading to dehydration or a term infant with diarrhea due to an infection.

Billing Considerations

Neonatologists must consider the infant's gestational age, birth weight, and any underlying health issues when assessing dehydration.

Pediatrics

Documentation Requirements

Pediatric documentation should include a thorough history of fluid intake and any gastrointestinal symptoms that may contribute to dehydration.

Common Clinical Scenarios

Pediatric cases may involve older infants with dehydration due to illness or dietary changes.

Billing Considerations

Pediatricians should be aware of developmental milestones that may affect hydration needs.

Coding Guidelines

Inclusion Criteria

Use P74.1 When
  • According to ICD
  • 10 guidelines, accurate coding for dehydration requires documentation of the cause, severity, and treatment
  • Coders should ensure that all relevant clinical information is captured to support the diagnosis

Exclusion Criteria

Do NOT use P74.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99291CPT Code

Critical care, evaluation and management of the critically ill infant

Clinical Scenario

Used when a newborn with dehydration requires intensive monitoring and management in the NICU.

Documentation Requirements

Documentation must include the severity of dehydration and the interventions provided.

Specialty Considerations

Neonatologists should ensure that all critical care elements are documented to support billing.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of dehydration, enabling better tracking of neonatal conditions and outcomes. This specificity aids in research and quality improvement initiatives.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of dehydration, enabling better tracking of neonatal conditions and outcomes. This specificity aids in research and quality improvement initiatives.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of dehydration, enabling better tracking of neonatal conditions and outcomes. This specificity aids in research and quality improvement initiatives.

Resources

Clinical References

  • •
    Neonatal Care Guidelines

Coding & Billing References

  • •
    Neonatal Care Guidelines

Frequently Asked Questions

What are the common causes of dehydration in newborns?

Common causes include inadequate breastfeeding, gastrointestinal losses from vomiting or diarrhea, and excessive insensible losses, particularly in preterm infants.