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R10.A

⚠ Non-billable (Header)

Pain localized to flank

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Lateral abdomen painLateral flank painLatus region pain

❌ Excludes1

inherited from R10

Rules from parent category R10: Abdominal and pelvic pain

  • • renal colic (N23)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

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

⚠️ Excludes2

inherited from R10

Rules from parent category R10: Abdominal and pelvic pain

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

Child Codes (4)

R10.A0Flank pain, unspecified sideR10.A1Flank pain, right sideR10.A2Flank pain, left sideR10.A3Flank pain, bilateral

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Code Information

CodeR10.A
BillableNo — Header code
ParentR10
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes11 rule(s)
Excludes25 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)