F50.23 — Bulimia nervosa, severe
Is F50.23 billable?
Yes — F50.23 is billable for FY2027. F50.23 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. F50.23 may be submitted for encounters from October 1, 2026 through September 30, 2027.
F50.23 at a glance
| Code | F50.23 |
|---|---|
| Description | Bulimia nervosa, severe |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does F50.23 group to?
F50.23 sits in MDC 19 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 887Other Mental Disorder Diagnosesmedical
As a secondary diagnosis, F50.23 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is F50.23 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under F50.2, the nearest indexed parent of F50.23. Use them to find the family, then select the specific code.
- Bulimia (nervosa)
- Hyperorexia nervosa
- Anorexia › nervosa › binge-eating type
- Disorder › eating › bulimia (of)
Inclusion terms
Alternative wording in documentation that is classified to F50.23.
- Bulimia nervosa with 8-13 episodes of inappropriate compensatory behavior per week
Excludes1 — never code together — inherited from F50
The conditions below can never be reported together with F50.23 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from F50.2
The conditions below can never be reported together with F50.23 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- anorexia nervosa, binge eating/purging type (F50.02-)
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F50.23, but a patient may have both at the same time. When documentation supports it, F50.23 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F50
The conditions below are not part of F50.23, but a patient may have both at the same time. When documentation supports it, F50.23 and the excluded code may both be reported.
How long has F50.23 existed?
F50.23 first appears in FY2025.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.