Is ICD-10-CM code K23 billable?

Yes, K23 (Disorders of esophagus in diseases classified elsewhere) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code K23 belong to?

K23 belongs to Chapter 11 of the ICD-10-CM tabular list: K00–K95 (Diseases of the Digestive System).

K23

Billable

ChapterK00–K95

Rankcategory

Description

Disorders of esophagus in diseases classified elsewhere

About ICD-10-CM code K23

K23 is the ICD-10-CM diagnosis code for Disorders of esophagus in diseases classified elsewhere. It sits in K00-K95 Diseases of the Digestive System, within Diseases of esophagus, stomach and duodenum (K20-K31). As a billable code, K23 can be reported for reimbursement.

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)