ED Coding and Reimbursement Alert

Reader Questions:

Terminology Smarts Vital to Accurate Eating Disorder Dx

Question: I’m seeing three different codes for binging and purging conditions in ICD-10. Which circumstances call for which code?

Indiana Subscriber

Answer: To answer this question, let’s first identify the three codes to which you’re referring:

  • F50.2 (Bulimia nervosa)
  • F50.81 (Binge eating disorder)
  • F50.02 (Anorexia nervosa, binge eating/purging type)

In lay terms, bulimia describes someone who binges on food then self-induces vomiting or misuses laxatives, diuretics, or enemas to quickly get rid of what they’ve eaten. The use of each of these codes will depend on the patient’s behaviors surrounding the ingestion and expulsion of food, but also may be affected by other lifestyle patterns or choices.

The record for a patient suffering bulimia nervosa will include notes on compulsive binge eating and purging. For that, you’ll report F50.2. If the patient record describes binging and purging but also excessive exercise, long stretches without eating, and extremely low weight, that is coded to F50.02.

The physician is describing a combination condition where the patient cycles between anorexia (starving themselves, excessively exercising) and bulimia. Excludes1 instructions point to the difference, as they tell you not to report F50.2 with F50.02 and vice versa.

You’ll turn to F50.81 when a patient binge eats but does not purge.

Note: As always, if the physician’s notes are unclear, follow up with a query so you can choose the most accurate code.


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