Flank pain, bilateral

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Flank pain, bilateral

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from R10 Abdominal and pelvic pain

Excludes1 - never coded here

renal colic (N23)

Excludes2 - not included here

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

Inherited from the R10-R19 section Symptoms and signs involving the digestive system and abdomen (R10-R19)

Excludes2 - not included here

congenital or infantile pylorospasm (Q40.0)
gastrointestinal hemorrhage (K92.0-K92.2)
intestinal obstruction (K56.-)
newborn gastrointestinal hemorrhage (P54.0-P54.3)
newborn intestinal obstruction (P76.-)
pylorospasm (K31.3)
signs and symptoms involving the urinary system (R30-R39)
symptoms referable to female genital organs (N94.-)
symptoms referable to male genital organs (N48-N50)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Pain
Syndrome > complex regional pain
Pain > flank > bilateral

Codes in the same group

Code	Description	Status
R10.A0	Flank pain, unspecified side	Valid
R10.A1	Flank pain, right side	Valid
R10.A2	Flank pain, left side	Valid