F50.013 — Anorexia nervosa, restricting type, extreme
Is F50.013 billable?
Yes — F50.013 is billable for FY2027. F50.013 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. F50.013 may be submitted for encounters from October 1, 2026 through September 30, 2027.
F50.013 at a glance
| Code | F50.013 |
|---|---|
| Description | Anorexia nervosa, restricting type, extreme |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does F50.013 group to?
F50.013 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.
- 883Disorders of Personality and Impulse Controlmedical
As a secondary diagnosis, F50.013 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is F50.013 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under F50.01, the nearest indexed parent of F50.013. Use them to find the family, then select the specific code.
- Anorexia › nervosa › restricting type
Inclusion terms
Alternative wording in documentation that is classified to F50.013.
- Anorexia nervosa, restricting type, with a body mass index of less than 15.0 kg/m2
Excludes1 — never code together — inherited from F50
The conditions below can never be reported together with F50.013 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 F50.0
The conditions below can never be reported together with F50.013 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 F50.013, but a patient may have both at the same time. When documentation supports it, F50.013 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 F50.013, but a patient may have both at the same time. When documentation supports it, F50.013 and the excluded code may both be reported.
How long has F50.013 existed?
F50.013 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.