R10.821Billable
Right upper quadrant rebound abdominal tenderness
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R10
- Effective date
- October 1, 2026
Related codes in category R10
R10Abdominal and pelvic painR10.0Acute abdomenYesR10.1Pain localized to upper abdomenR10.10Upper abdominal pain, unspecifiedYesR10.11Right upper quadrant painYesR10.12Left upper quadrant painYesR10.13Epigastric painYesR10.2Pelvic and perineal painR10.20Pelvic and perineal pain unspecified sideYesR10.21Pelvic and perineal pain right sideYesR10.22Pelvic and perineal pain left sideYesR10.23Pelvic and perineal pain bilateralYes
Frequently asked questions
What is ICD-10 code R10.821?
R10.821 is an ICD-10-CM diagnosis code for Right upper quadrant rebound abdominal tenderness.
Is R10.821 a billable code?
Yes. R10.821 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R10.821 in?
R10.821 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R10.821 become effective?
R10.821 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R10.821?
R10.821 belongs to category R10, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.