Flank tenderness

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2026 onwards. It has never been valid for submission on its own.

Submit one of these 4 more specific codes instead:

R10.8A1 Right flank tenderness
R10.8A2 Left flank tenderness
R10.8A3 Suprapubic tenderness
R10.8A9 Flank tenderness, unspecified

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Flank tenderness

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)

Codes in the same group

Code	Description	Status
R10.81	Abdominal tenderness	Not billable
R10.82	Rebound abdominal tenderness	Not billable
R10.83	Colic	Valid
R10.84	Generalized abdominal pain	Valid
R10.85	Abdominal pain of multiple sites	Valid