F50.0 — Anorexia nervosa
Is F50.0 billable?
No — F50.0 is a non-billable header code. F50.0 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 13 billable codes beneath F50.0.
Billable codes under this header
- F50.00Anorexia nervosa, unspecified
- F50.010Anorexia nervosa, restricting type, mild
- F50.011Anorexia nervosa, restricting type, moderate
- F50.012Anorexia nervosa, restricting type, severe
- F50.013Anorexia nervosa, restricting type, extreme
- F50.014Anorexia nervosa, restricting type, in remission
- F50.019Anorexia nervosa, restricting type, unspecified
- F50.020Anorexia nervosa, binge eating/purging type, mild
- F50.021Anorexia nervosa, binge eating/purging type, moderate
- F50.022Anorexia nervosa, binge eating/purging type, severe
- F50.023Anorexia nervosa, binge eating/purging type, extreme
- F50.024Anorexia nervosa, binge eating/purging type, in remission
- F50.029Anorexia nervosa, binge eating/purging type, unspecified
F50.0 at a glance
| Code | F50.0 |
|---|---|
| Description | Anorexia nervosa |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with F50.0 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
The conditions below can never be reported together with F50.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F50.0, but a patient may have both at the same time. When documentation supports it, F50.0 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 F50.0, but a patient may have both at the same time. When documentation supports it, F50.0 and the excluded code may both be reported.
What codes fall under F50.0? (3)
How long has F50.0 existed?
F50.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with F50.0?
ICD-10-CM declares these codes mutually exclusive with F50.0 — exactly one of each pair can be correct for a given encounter.