K30 Functional dyspepsia

Billable ICD-10-CM code, FY2026.

Applicable to

• Indigestion

Excludes1 (never code together)

• dyspepsia NOS (R10.13)
• heartburn (R12)
• nervous dyspepsia (F45.8)
• neurotic dyspepsia (F45.8)
• psychogenic dyspepsia (F45.8)

Applies from K30 Functional dyspepsia

Applicable to

• Indigestion

Excludes1 (never code together)

• dyspepsia NOS (R10.13)
• heartburn (R12)
• nervous dyspepsia (F45.8)
• neurotic dyspepsia (F45.8)
• psychogenic dyspepsia (F45.8)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 536.8 Dyspepsia and other specified disorders of function of stomach

Code annotations containing back-references to K30

Back-references to K30

• Type 1 Excludes: R10.13 Epigastric pain ("functional dyspepsia (K30)")
• Type 1 Excludes: R12 Heartburn ("functional dyspepsia (K30)")

Back-references to K30

• Type 1 Excludes: R10.13 Epigastric pain ("functional dyspepsia (K30)")
• Type 1 Excludes: R12 Heartburn ("functional dyspepsia (K30)")

Diagnosis Index entries for K30

• Acid › peptic disease
• Acid › stomach
• Acidity, gastric (high)
• Apepsia
• Delay, delayed › gastric emptying
• Disease, diseased › acid-peptic
• Disorder (of) › gastric (functional) › motility
• Disorder (of) › gastric (functional) › secretion
• Distress › gastrointestinal (functional)
• Disturbance (s) › digestive
• Disturbance (s) › gastrointestinal (functional)
• Dyspepsia › atonic
• Dyspepsia › functional (allergic) (congenital) (gastrointestinal) (occupational) (reflex)
• Indigestion (acid) (bilious) (functional)
• Upset › gastric
• Upset › gastrointestinal
• Upset › stomach

Nearby codes

• K30 Functional dyspepsia (this code)