F50.84: Rumination disorder in adults

F50.84, rumination disorder in adults, is listed as a covered diagnosis in 5 Medicare billing and coding articles that apply to 15 HCPCS Level II codes, including G0410 (Group psychotherapy other than of a multiple-family group…), G0411 (Interactive group psychotherapy, in a partial…), G0129 (Occupational therapy services requiring the skills of a…). 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 F50.84 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0410Group psychotherapy other than of a multiple-family group, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutesCarrier judgment—2
G0411Interactive group psychotherapy, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutesCarrier judgment—2
G0129Occupational therapy services requiring the skills of a qualified occupational therapist, furnished as a component of a partial hospitalization or intensive outpatient treatment program, per session (45 minutes or more)Carrier judgment—1
G0176Activity therapy, such as music, dance, art or play therapies not for recreation, related to the care and treatment of patient's disabling mental health problems, per session (45 minutes or more)Special coverage instructions apply—1
G0177Training and educational services related to the care and treatment of patient's disabling mental health problems per session (45 minutes or more)Special coverage instructions apply—1
G0017Psychotherapy for crisis furnished in an applicable site of service (any place of service at which the non-facility rate for psychotherapy for crisis services applies, other than the office setting); first 60 minutesCarrier judgment—1
G0018Psychotherapy for crisis furnished in an applicable site of service (any place of service at which the non-facility rate for psychotherapy for crisis services applies, other than the office setting); each additional 30 minutes (list separately in addition to code for primary service)Carrier judgment—1
G0451Development testing, with interpretation and report, per standardized instrument formCarrier judgment—1
G0283Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of careCarrier judgment—2
G0152Services performed by a qualified occupational therapist in the home health or hospice setting, each 15 minutesCarrier judgment—1
G0158Services performed by a qualified occupational therapist assistant in the home health or hospice setting, each 15 minutesCarrier judgment—1
G0160Services performed by a qualified occupational therapist, in the home health setting, in the establishment or delivery of a safe and effective occupational therapy maintenance program, each 15 minutesCarrier judgment—1
G2169Services performed by an occupational therapist assistant in the home health setting in the delivery of a safe and effective occupational therapy maintenance program, each 15 minutesCarrier judgment—1
G0281Electrical 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 careCarrier judgment—1
G0329Electromagnetic 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 careCarrier judgment—1

Medicare policy articles listing F50.84

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)

Frequently asked questions

Does Medicare cover F50.84 (Rumination disorder in adults)?

Medicare covers items and services, not diagnoses. 5 Medicare billing and coding articles list F50.84 as a covered diagnosis for 15 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 F50.84?

The Level II codes from the policies most specific to this diagnosis are G0410 (Group psychotherapy other than of a multiple-family group…, 2 articles); G0411 (Interactive group psychotherapy, in a partial…, 2 articles); G0129 (Occupational therapy services requiring the skills of a…, 1 article); G0176 (Activity therapy, such as music, dance, art or play…, 1 article); G0177 (Training and educational services related to the care and…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list F50.84?

A56850 (Billing and Coding: Psychiatric Partial Hospitalization Programs); A57480 (Billing and Coding: Psychiatry and Psychology Services); A56937 (Billing and Coding: Psychiatry and Psychology Services), and 2 more articles.

What is ICD-10-CM code F50.84?

F50.84 is the ICD-10-CM code for rumination disorder in adults, in category F50 (Eating disorders), chapter 5: Mental, behavioral and neurodevelopmental disorders.

Next steps

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