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Home/Diagnosis/ICD-10 Coding for Malabsorption

ICD-10 Coding for Malabsorption

K90.9
K90.4

Complete ICD-10-CM coding and documentation guide for icd-10 coding for malabsorption includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Intestinal Malabsorption
Nutrient Malabsorption
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Key Information: ICD-10 Coding for Malabsorption

Essential facts and insights about ICD-10 Coding for Malabsorption

Use ICD-10 code K90.9 for intestinal malabsorption, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Intestinal malabsorption, unspecified

Billable Code
K90.9
Billable

Diagnostic Criteria

  • • Presence of chronic diarrhea and weight loss with no identified cause.

Applicable To

  • • General malabsorption

Important Notes

  • • Ensure documentation supports the use of an unspecified code by confirming no specific etiology is identified.

Malabsorption due to intolerance

Non-Billable
K90.4
Non-Billable

Diagnostic Criteria

  • • Negative celiac serology
  • • Symptom resolution on gluten-free diet

Applicable To

  • • Non-celiac gluten sensitivity

Important Notes

  • • Ensure intolerance is clearly documented and differentiated from celiac disease.
Ancillary Codes

Additional codes that may be used with this diagnosis

E43

Severe protein-calorie malnutrition

Use in conjunction with K90.9 when severe malnutrition is documented.

Frequently Asked Questions

What is the ICD-10 code for malabsorption?

The ICD-10 code for unspecified intestinal malabsorption is K90.9. Use this code when the specific cause of malabsorption is not documented.

Can K90.9 and E43 be coded together?

Yes, K90.9 and E43 can be coded together if both malabsorption and severe malnutrition are documented as distinct clinical entities.

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