K37

Billable

ChapterK00–K95

Rankcategory

Official Description

Unspecified appendicitis

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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

unspecified appendicitis with peritonitis (K35.2-, K35.3-)

Clinical Hierarchy

BillableHas subcodes

CH11Diseases of the digestive system (K00-K95)

K35-K38Diseases of appendix (K35-K38)

K37Unspecified appendicitisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K37:

chapterCH11

Diseases of the digestive system (K00-K95)

View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Other Digestive System Diagnoses with MCC

Other Digestive System Diagnoses with CC

Other Digestive System Diagnoses without CC/MCC

Cross Reference

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