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R10.823

R10.823Right lower quadrant rebound abdominal tenderness

Billable / specific codeICD-10-CMright

R10.823 is a billable, specific ICD-10-CM code for right lower quadrant rebound abdominal tenderness. It is valid for submission on a claim.

Risk adjustment

R10.823 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R10.823 is named in 7 Medicare coverage policies 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
  • A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
  • A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

How R10.823 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R10.823.

  • Tenderness, abdominalreboundright lower quadrant

Related codes at this level

Codes that share R10.82. If R10.823 is not quite right, the correct code is usually one of these.

Questions about R10.823

Is R10.823 a billable ICD-10-CM code?
Yes. R10.823 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R10.823 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the digestive system and abdomen (R10-R19).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.