F50.9: Eating disorder, unspecified
F50.9, eating disorder, unspecified, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 4 HCPCS Level II codes, including G0451 (Development testing, with interpretation and report, per…), G0283 (Electrical stimulation (unattended), to one or more areas…), G0281 (Electrical stimulation, (unattended), to one or more…). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with F50.9 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| G0451 | Development testing, with interpretation and report, per standardized instrument form | Carrier judgment | — | 2 |
| G0283 | Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | Carrier judgment | — | 1 |
| G0281 | Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of care | Carrier judgment | — | 1 |
| G0329 | Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of care | Carrier judgment | — | 1 |
Medicare policy articles listing F50.9
- A56937: Billing and Coding: Psychiatry and Psychology Services (Wellpoint Federal (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L33632, L34616
- A57780: Billing and Coding: Psychological and Neuropsychological Tests (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 1 Level II codes). LCD with the same title: L34520
- A53064: Billing and Coding: Outpatient Occupational Therapy (Palmetto GBA (MAC - Part A); 3 Level II codes). LCD with the same title: L34427
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other F50 diagnoses (Eating disorders)
- F50.00 — Anorexia nervosa, unspecified
- F50.010 — Anorexia nervosa, restricting type, mild
- F50.011 — Anorexia nervosa, restricting type, moderate
- F50.012 — Anorexia nervosa, restricting type, severe
- F50.013 — Anorexia nervosa, restricting type, extreme
- F50.014 — Anorexia nervosa, restricting type, in remission
- F50.019 — Anorexia nervosa, restricting type, unspecified
- F50.020 — Anorexia nervosa, binge eating/purging type, mild
- F50.021 — Anorexia nervosa, binge eating/purging type, moderate
- F50.022 — Anorexia nervosa, binge eating/purging type, severe
- F50.023 — Anorexia nervosa, binge eating/purging type, extreme
- F50.024 — Anorexia nervosa, binge eating/purging type, in remission
- F50.029 — Anorexia nervosa, binge eating/purging type, unspecified
- F50.20 — Bulimia nervosa, unspecified
- F50.21 — Bulimia nervosa, mild
- F50.22 — Bulimia nervosa, moderate
- F50.23 — Bulimia nervosa, severe
- F50.24 — Bulimia nervosa, extreme
- F50.25 — Bulimia nervosa, in remission
- F50.810 — Binge eating disorder, mild
- F50.811 — Binge eating disorder, moderate
- F50.812 — Binge eating disorder, severe
- F50.813 — Binge eating disorder, extreme
- F50.814 — Binge eating disorder, in remission
- F50.819 — Binge eating disorder, unspecified
- F50.82 — Avoidant/restrictive food intake disorder
- F50.83 — Pica in adults
- F50.84 — Rumination disorder in adults
- F50.89 — Other specified eating disorder
Frequently asked questions
Does Medicare cover F50.9 (Eating disorder, unspecified)?
Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list F50.9 as a covered diagnosis for 4 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 F50.9?
The Level II codes from the policies most specific to this diagnosis are G0451 (Development testing, with interpretation and report, per…, 2 articles); G0283 (Electrical stimulation (unattended), to one or more areas…, 1 article); G0281 (Electrical stimulation, (unattended), to one or more…, 1 article); G0329 (Electromagnetic therapy, to one or more areas for chronic…, 1 article). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list F50.9?
A56937 (Billing and Coding: Psychiatry and Psychology Services); A57780 (Billing and Coding: Psychological and Neuropsychological Tests); A53064 (Billing and Coding: Outpatient Occupational Therapy).
What is ICD-10-CM code F50.9?
F50.9 is the ICD-10-CM code for eating disorder, unspecified, in category F50 (Eating disorders), chapter 5: Mental, behavioral and neurodevelopmental disorders.
Next steps
- Run a reimbursement report for a device billed under G0451
- Watch G0451 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0451
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 5: Mental, behavioral and neurodevelopmental disorders · All diagnoses · HCPCS lookup