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v1.0.0
ICD-10 Guide
ICD-10 CodesP94.2

P94.2

Billable

Congenital hypotonia

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

Code Description

ICD-10 P94.2 is a billable code used to indicate a diagnosis of congenital hypotonia.

Key Diagnostic Point:

Congenital hypotonia refers to a condition characterized by decreased muscle tone in newborns, which can significantly impact their motor function and overall development. This condition may arise from various etiologies, including genetic disorders, neuromuscular diseases, and central nervous system anomalies. In neonates, hypotonia can manifest as a 'floppy' appearance, reduced resistance to passive movement, and difficulty in achieving developmental milestones such as head control and sitting. Neonatal myasthenia gravis, an autoimmune disorder affecting neuromuscular transmission, can also present with hypotonia, leading to weakness and fatigue in the infant. Accurate diagnosis often requires a comprehensive clinical evaluation, including neurological assessments and possibly genetic testing. Management strategies may involve physical therapy, supportive care, and addressing any underlying conditions contributing to hypotonia. Early intervention is crucial to optimize developmental outcomes and improve the quality of life for affected infants.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to hypotonia.
  • Need for comprehensive clinical evaluation and documentation.
  • Potential overlap with other neuromuscular disorders.
  • Variability in presentation and severity among affected infants.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to specify the underlying cause of hypotonia.
  • Misclassification of hypotonia severity.
  • Lack of interdisciplinary notes in the medical record.

Specialty Focus

Medical Specialties

Neonatology

Documentation Requirements

Detailed neurological assessments, developmental milestones, and any interventions provided.

Common Clinical Scenarios

Infants presenting with hypotonia in the NICU, requiring monitoring and therapy.

Billing Considerations

Ensure accurate coding of any associated conditions or syndromes.

Pediatrics

Documentation Requirements

Comprehensive history and physical examination, including developmental assessments.

Common Clinical Scenarios

Follow-up visits for infants with congenital hypotonia and ongoing developmental concerns.

Billing Considerations

Consider the long-term implications of hypotonia on growth and development.

Coding Guidelines

Inclusion Criteria

Use P94.2 When
  • Follow the official ICD
  • CM guidelines for coding congenital conditions, ensuring specificity in documentation regarding the cause and severity of hypotonia

Exclusion Criteria

Do NOT use P94.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99223CPT Code

Initial hospital care, typically 50 minutes or more.

Clinical Scenario

Used for the initial evaluation of a newborn with hypotonia in the NICU.

Documentation Requirements

Detailed history, examination findings, and management plan.

Specialty Considerations

Neonatologists should ensure comprehensive documentation to support the complexity of care.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital hypotonia, improving the ability to capture the complexity of cases and associated conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital hypotonia, improving the ability to capture the complexity of cases and associated conditions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital hypotonia, improving the ability to capture the complexity of cases and associated conditions.

Resources

Clinical References

  • •
    American Academy of Pediatrics - Guidelines for Coding and Billing

Coding & Billing References

  • •
    American Academy of Pediatrics - Guidelines for Coding and Billing

Frequently Asked Questions

What are the common causes of congenital hypotonia?

Common causes include genetic disorders, neuromuscular diseases, and central nervous system anomalies. Conditions such as spinal muscular atrophy and congenital myasthenia gravis are also notable contributors.