ICD-10 E66.9: Obesity, unspecified
BMI elevated without specifying type or severity. Should pair with Z68.x (BMI specific) per ICD-10 conventions.
Clinical context
BMI elevated without specifying type or severity. Should pair with Z68.x (BMI specific) per ICD-10 conventions.
Documentation requirements
- Calculated BMI in record
- Z68.x BMI code paired with E66.x
Common related procedures
- 99214 E&M
- G0270 MNT
- 97803 dietitian visit
Common payer denial patterns
- GLP-1 agonist for obesity (E66.9) routinely denied — most payers require diabetes (E11.9) or severe obesity (E66.01)
- Bariatric surgery denied without BMI ≥40 (E66.01) and documented 6-month medical weight loss
Frequently asked questions
What does ICD-10 E66.9 mean?
Obesity, unspecified
When is this code documented?
BMI elevated without specifying type or severity. Should pair with Z68.x (BMI specific) per ICD-10 conventions.
What documentation supports this code?
Calculated BMI in record; Z68.x BMI code paired with E66.x.
What are common denials associated with this diagnosis?
GLP-1 agonist for obesity (E66.9) routinely denied — most payers require diabetes (E11.9) or severe obesity (E66.01); Bariatric surgery denied without BMI ≥40 (E66.01) and documented 6-month medical weight loss.
Related diagnoses
Sources
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