K37BillableSave
K37 - Unspecified appendicitis
ICD-10-CM Chapter 11: Diseases of the digestive system · K35-K38 Diseases of appendix (K35-K38) · Top-level category · FY2027
Includes, Excludes and Coding Notes
Excludes 1 — Not Coded HereFrom K37
Mutually exclusive: these conditions are never reported together with this code.
- unspecified appendicitis with peritonitis (K35.2-, K35.3-)
Excludes 2 — Not Included HereFrom Chapter K00-K95
Not part of this code; report both codes when the patient has both conditions.
- 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)
Inpatient DRG Payments
DRG 39430,272 discharges
Other Digestive System Diagnoses With Cc
Avg. Medicare Payment
$7,250
Total Payment$9,479
Patient Responsibility$2,229
Hospital Charge$47,064
DRG 39324,018 discharges
Other Digestive System Diagnoses With Mcc
Avg. Medicare Payment
$13,626
Total Payment$16,562
Patient Responsibility$2,936
Hospital Charge$76,783
DRG 3955,211 discharges
Other Digestive System Diagnoses Without Cc/mcc
Avg. Medicare Payment
$4,644
Total Payment$6,874
Patient Responsibility$2,231
Hospital Charge$34,600
Chapter Information
Other categories in this chapter
Codes at the same level as K37
- Disorders of tooth development and eruptionK00
- Embedded and impacted teethK01
- Dental cariesK02
- Other diseases of hard tissues of teethK03
- Diseases of pulp and periapical tissuesK04
- Gingivitis and periodontal diseasesK05
- Other disorders of gingiva and edentulous alveolar ridgeK06
- Other disorders of teeth and supporting structuresK08
- Cysts of oral region, not elsewhere classifiedK09
- Diseases of salivary glandsK11
- Stomatitis and related lesionsK12
- Other diseases of lip and oral mucosaK13
- Diseases of tongueK14
- EsophagitisK20
- Gastro-esophageal reflux diseaseK21
- Other diseases of esophagusK22
- Disorders of esophagus in diseases classified elsewhereK23
- Gastric ulcerK25
- Duodenal ulcerK26
- Peptic ulcer, site unspecifiedK27
- Gastrojejunal ulcerK28
- Gastritis and duodenitisK29
- Functional dyspepsiaK30
- Other diseases of stomach and duodenumK31
- Acute appendicitisK35
- Other appendicitisK36
- Other diseases of appendixK38
- Inguinal herniaK40
- Femoral herniaK41
- Umbilical herniaK42
- Ventral herniaK43
- Diaphragmatic herniaK44
- Other abdominal herniaK45
- Unspecified abdominal herniaK46
- Crohn's disease [regional enteritis]K50
- Ulcerative colitisK51
- Other and unspecified noninfective gastroenteritis and colitisK52
- Vascular disorders of intestineK55
- Paralytic ileus and intestinal obstruction without herniaK56
- Diverticular disease of intestineK57
32 more in this chapter.