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Home/Diagnosis/ICD-10 Coding for Body Mass Index

ICD-10 Coding for Body Mass Index

E66.01
Z68.41

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

Also Known as:
BMI
Body Mass Index Measurement
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Key Information: ICD-10 Coding for Body Mass Index

Essential facts and insights about ICD-10 Coding for Body Mass Index

Use ICD-10 code E66.01 for morbid (severe) obesity due to excess calories, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Morbid (severe) obesity due to excess calories

Billable Code
E66.01
Billable

Diagnostic Criteria

clinical:
  • • BMI ≥ 40 with documented 'morbid obesity'
documentation:
  • • Provider must document 'morbid obesity' explicitly

Applicable To

  • • Morbid obesity
  • • Severe obesity

Important Notes

  • • Ensure provider documentation explicitly states 'morbid obesity' for accurate coding.

Body mass index (BMI) 40.0-44.9, adult

Billable Code
Z68.41
Billable

Diagnostic Criteria

clinical:
  • • Documented BMI value between 40.0 and 44.9

Applicable To

  • • BMI 40.0-44.9

Important Notes

  • • Ensure BMI is documented in the provider's note.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z68.41

BMI 40.0-44.9, adult

Use alongside E66.01 when BMI is documented as 40.0-44.9.

Frequently Asked Questions

Can BMI be coded without an obesity diagnosis?

No, BMI codes like Z68.41 must be linked to an obesity diagnosis such as E66.01 for accurate coding.

What is the ICD-10 code for morbid obesity?

The ICD-10 code for morbid obesity is E66.01, which requires documentation of 'morbid obesity' and a BMI ≥ 40.

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