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R10.A0

R10.A0: Flank pain, unspecified side

Billable / specific codeICD-10-CMunspecified

R10.A0 is a billable, specific ICD-10-CM code for flank pain, unspecified side. It is valid for submission on a claim.

Check R10.A0 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above R10.A0

A category’s note binds every code beneath it.

Written on R10: Abdominal and pelvic pain

  • renal colic (N23)

Excludes2 inherited from the categories above R10.A0

Not part of this code, but both may be coded when both are present.

Written on R10.A: Pain localized to flank

  • pain localized to other parts of lower abdomen (R10.3-)
  • pain localized to upper abdomen (R10.1-)

Written on R10: Abdominal and pelvic pain

  • costovertebral (angle) tenderness (R39.85)
  • dorsalgia (M54.-)
  • flatulence and related conditions (R14.-)

Other codes that can never be billed with R10.A0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R52Pain, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R10.A0 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55028Billing and Coding: Lab: Bladder/Urothelial Tumor Markers

Alphabetic index entries that lead here

  • Pain›flank

The condition this code belongs to

Code history

  • addedFY2024-FY2027

    Flank pain, unspecified side

Other codes under R10.A

ICD-10-CMFY2027· effective October 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.