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R10.A

Non-billable

Pain localized to flank

R10.A is the ICD-10-CM code for Pain localized to flank. It is a non-billable category code — use a more specific child code such as R10.A0 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Parent
R10
Subcodes
4
Edition
FY2026

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

Includes

  • •Lateral abdomen pain
  • •Lateral flank pain
  • •Latus region pain

Excludes2 — not included here

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

Frequently asked questions

What is ICD-10 code R10.A?
R10.A is the ICD-10-CM code for "Pain localized to flank". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R10.A a billable code?
No — R10.A is a non-billable header code. Use a more specific child code (such as R10.A0) for billing.
What are the subcodes of R10.A?
R10.A has 4 more specific child codes, including R10.A0, R10.A1, R10.A2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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