ICD-9-CM Vol. 1 Diagnostic Codes

9. DISEASES OF THE DIGESTIVE SYSTEM (520-579)

section notes

DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM (530-539)

section notes

534 Gastrojejunal ulcer

section notes

534.9 Unspecified as acute or chronic gastrojejunal ulcer; without mention of hemorrhage or perforat

section notes
534.90   Gastrojejunal ulcer NOS
534.91   Gastrojejun ulc NOS-obst
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