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Compare diagnoses

Side-by-side criteria and differential flags.

Ask this

Which diagnosis best fits duration, episodicity, and exclusions?

Rumination disorder

Repeated regurgitation of food for ≥1 month; regurgitated food may be re-chewed, re-swallowed, or spat out

Open record

Bulimia nervosa

Recurrent binge eating episodes (eating large amount in discrete period + sense of lack of control)

Open record

ICD-10 code

AF98.21

BF50.2

Category

AEating & Feeding

BEating & Feeding

Core threshold (DSM-5-TR criteria)

AFull criteria not included in this record

BFull criteria not included in this record

Additional criteria

AFull criteria not included in this record

BFull criteria not included in this record

Key features

AA. Repeated regurgitation of food for ≥1 month; regurgitated food may be re-chewed, re-swallowed, or spat out B. Not attributable to a gastrointestinal or other medical condition (e.g. GERD) C. Not occurring exclusively during anorexia nervosa, bulimia, BED, or ARFID

BA. Recurrent binge eating episodes (eating large amount in discrete period + sense of lack of control) B. Recurrent inappropriate compensatory behaviours to prevent weight gain (purging, fasting, excessive exercise) C. Binges and compensatory behaviours occur ≥1×/week for ≥3 months

Common specifiers

ANo formal DSM specifiers

BIn partial remission; In full remission; Severity: Mild; Severity: Moderate

Differential flags

AGORD or upper GI pathology (pathological reflux; medical investigation required); Bulimia nervosa (compensatory behaviour; body image concern); Functional dyspepsia

BAN binge-eating/purging type (markedly low body weight); BED (no compensatory behaviours); BPD with impulsive eating

Severity specifier

ANot listed

BSupported

Differential review

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