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v1.0.0
ICD-10 Guide
DiagnosesTotal Parenteral Nutrition Dependent

Total Parenteral Nutrition Dependent

ICD-10 Coding for Total Parenteral Nutrition Dependence(K91.2, K90.9)

PRIMARY SPECIALTYGastroenterology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Total Parenteral Nutrition Dependent?
Essential facts and insights about Total Parenteral Nutrition Dependence

Key Clinical Considerations:

  • Inability to absorb nutrients via the gastrointestinal tract
  • Signs of malnutrition or weight loss
  • Complications from gastrointestinal disorders

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of gastrointestinal disease
  • Details of TPN regimen and duration
  • Nutritional assessment and monitoring

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for TPN coding to avoid denials.
  • Common errors include incorrect duration or missing underlying conditions.

Code Exclusions

Important Exclusions

  • Conditions that do not require TPN
  • Alternative nutritional support methods

Related ICD-10 Codes

Primary Codes
B22.0
Total parenteral nutrition dependent
Ancillary Codes
Z76.0
Z45.2
Differential Codes
K90.9
K90.9
when malabsorption is not postsurgical and specific etiology is unknown.
K91.2
K91.2
for postsurgical causes of malabsorption.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Gastroenterology

Specialty Applications

  • Patients with chronic gastrointestinal diseases
  • Inpatient and outpatient settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the indication for TPN, patient's nutritional status, and any complications.

What are the billing considerations?

Ensure accurate coding of underlying conditions and TPN therapy duration.