R10.823: Right lower quadrant rebound abdominal tenderness

R10.823, right lower quadrant rebound abdominal tenderness, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 2 HCPCS Level II codes, including U0002 (2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19)…), U0001 (Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr…). The articles come from 4 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with R10.823 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
U00022019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdcCarrier judgment—4
U0001Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr diagnostic panelCarrier judgment—4

Medicare policy articles listing R10.823

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other R10 diagnoses (Abdominal and pelvic pain)

Frequently asked questions

Does Medicare cover R10.823 (Right lower quadrant rebound abdominal tenderness)?

Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list R10.823 as a covered diagnosis for 2 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 R10.823?

The Level II codes from the policies most specific to this diagnosis are U0002 (2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19)…, 4 articles); U0001 (Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr…, 4 articles). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list R10.823?

A58710 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing); A58720 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing); A58761 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing), and 1 more article.

What is ICD-10-CM code R10.823?

R10.823 is the ICD-10-CM code for right lower quadrant rebound abdominal tenderness, in category R10 (Abdominal and pelvic pain), chapter 18: Symptoms, signs and abnormal findings.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 18: Symptoms, signs and abnormal findings · All diagnoses · HCPCS lookup