K20.91 – Esophagitis, unspecified with bleeding

ICD-10-CM 2027 diagnosis code · Diseases of esophagus, stomach and duodenum

Billable code

ICD-10-CM code K20.91

Code: K20.91 (claims format: K2091)
Description: Esophagitis, unspecified with bleeding
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
Parent codes: K20 › K20.9

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K20 – Esophagitis

Excludes1 (not coded here):

erosion of esophagus (K22.1-)
esophagitis with gastro-esophageal reflux disease (K21.0-)
reflux esophagitis (K21.0-)
ulcerative esophagitis (K22.1-)

Excludes2 (not included here):

eosinophilic gastritis or gastroenteritis (K52.81)

Use additional code:

code to identify:
alcohol abuse and dependence (F10.-)

Block K20-K31

Excludes2 (not included here):

hiatus hernia (K44.-)

Index terms for K20.91

Entries in the ICD-10-CM alphabetic index that lead to this code:

Esophagitis, with bleeding

Related codes in K20.9

K20.90 – Esophagitis, unspecified without bleedingBillable

Frequently asked questions

What is ICD-10 code K20.91?

K20.91 is the ICD-10-CM code for esophagitis, unspecified with bleeding, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).

Is K20.91 a billable code?

Yes. K20.91 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K20.91 belong to?

It belongs to category K20 – Esophagitis.

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.