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General Surgery ICD-10 Cheat Sheet
53 most-used billable ICD-10-CM diagnosis codes (of 147 common general surgery codes)
findicd10.com
- A63.0Anogenital (venereal) warts
- C18.3Malignant neoplasm of hepatic flexure
- C20Malignant neoplasm of rectum
- C25.0Malignant neoplasm of head of pancreas
- C25.1Malignant neoplasm of body of pancreas
- C25.2Malignant neoplasm of tail of pancreas
- D12.1Benign neoplasm of appendix
- D12.2Benign neoplasm of ascending colon
- D12.3Benign neoplasm of transverse colon
- D12.4Benign neoplasm of descending colon
- D12.5Benign neoplasm of sigmoid colon
- D49.0Neoplasm of unspecified behavior of digestive system
- E11.65Type 2 diabetes mellitus with hyperglycemia
- E11.9Type 2 diabetes mellitus without complications
- E66.01Morbid (severe) obesity due to excess calories
- E66.1Drug-induced obesity
- E66.3Overweight
- E66.9Obesity, unspecified
- K21.9Gastro-esophageal reflux disease without esophagitis
- K35.80Unspecified acute appendicitis
- K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrent
- K42.0Umbilical hernia with obstruction, without gangrene
- K42.1Umbilical hernia with gangrene
- K42.9Umbilical hernia without obstruction or gangrene
- K50.00Crohn's disease of small intestine without complications
- K50.011Crohn's disease of small intestine with rectal bleeding
- K50.012Crohn's disease of small intestine with intestinal obstruction
- K50.013Crohn's disease of small intestine with fistula
- K50.014Crohn's disease of small intestine with abscess
- K56.0Paralytic ileus
- K56.2Volvulus
- K56.3Gallstone ileus
- K80.00Calculus of gallbladder with acute cholecystitis without obstruction
- K81.0Acute cholecystitis
- K81.1Chronic cholecystitis
- K81.2Acute cholecystitis with chronic cholecystitis
- K81.9Cholecystitis, unspecified
- K92.2Gastrointestinal hemorrhage, unspecified
- L05.91Pilonidal cyst without abscess
- L05.92Pilonidal sinus without abscess
- L72.3Sebaceous cyst
- Q79.0Congenital diaphragmatic hernia
- R10.0Acute abdomen
- R10.10Upper abdominal pain, unspecified
- R10.11Right upper quadrant pain
- R10.12Left upper quadrant pain
- R10.13Epigastric pain
- R63.5Abnormal weight gain
- Z12.11Encounter for screening for malignant neoplasm of colon
- Z80.0Family history of malignant neoplasm of digestive organs
- Z85.030Personal history of malignant carcinoid tumor of large intestine
- Z85.038Personal history of other malignant neoplasm of large intestine
Excludes1 traps — never code together
- K56.0✗ gallstone ileus (K56.3)
- R63.5✗ obesity (E66.-)
- C20✗ malignant carcinoid tumor of the rectum (C7A.026)
- D12.1✗ benign carcinoid tumor of the appendix (D3A.020)
- D49.0✗ neoplasm of unspecified behavior of margin of anus (D49.2)
- E11.9✗ type 2 diabetes mellitus, without complications in remission (E11.A)
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Need the full list? All 147 common general surgery codes · Check a claim in the ICD-10 validator
Codes reflect the FY2026 ICD-10-CM code set. Always verify against current coding guidelines before billing.