ICD-10-CM > R00-R99 > R10-R19 > R10 > R10.1 R10.1 Pain localized to upper abdomen Non-Billable/Non-Specific Type 2 Excludes pain localized to flank (R10.A-)pelvic and perineal pain (R10.2-) Codes R10.10Upper abdominal pain, unspecifiedR10.11Right upper quadrant painR10.12Left upper quadrant painR10.13Epigastric pain