K30 – Functional dyspepsia
ICD-10-CM 2027 diagnosis code · Diseases of esophagus, stomach and duodenum
ICD-10-CM code
K30
- Code
K30(claims format:K30)- Description
- Functional dyspepsia
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K20-K31 Diseases of esophagus, stomach and duodenum
Notes for K30
Applicable to:
- Indigestion
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block K20-K31
Excludes2 (not included here):
- hiatus hernia (K44.-)
Index terms for K30
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Apepsia
- Indigestion
- Acid, stomach
- Upset, stomach
- Upset, gastric
- Acidity, gastric
- Dyspepsia, atonic
- Acid, peptic disease
- Dyspepsia, functional
- Disturbance, digestive
- Upset, gastrointestinal
- Distress, gastrointestinal
- Disorder, gastric, motility
- Disorder, gastric, secretion
- Disturbance, gastrointestinal
- Disease, diseased, acid-peptic
- Delay, delayed, gastric emptying
Frequently asked questions
What is ICD-10 code K30?
K30 is the ICD-10-CM code for functional dyspepsia, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).
Is K30 a billable code?
Yes. K30 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.