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FY2027

ICD-10 Code for Tenderness

The ICD-10-CM code for tenderness is R10.819 — Abdominal tenderness, unspecified site. This is the code the Alphabetic Index gives for tenderness with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

R10.819 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which tenderness code should you use?

The Alphabetic Index lists 24 codes under Tenderness, abdominal. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

costovertebralR39.859Costovertebral (angle) tenderness, unspecified side
epigastricR10.816Epigastric abdominal tenderness
flankR10.8A9Flank tenderness, unspecified
generalizedR10.817Generalized abdominal tenderness
left lower quadrantR10.814Left lower quadrant abdominal tenderness
left upper quadrantR10.812Left upper quadrant abdominal tenderness
periumbilicR10.815Periumbilic abdominal tenderness
right lower quadrantR10.813Right lower quadrant abdominal tenderness
right upper quadrantR10.811Right upper quadrant abdominal tenderness
reboundR10.829Rebound abdominal tenderness, unspecified site
suprapubicR10.8A3Suprapubic tenderness

Tenderness costovertebral

bilateralR39.853Costovertebral (angle) tenderness, bilateral
leftR39.852Costovertebral (angle) tenderness, left side
rightR39.851Costovertebral (angle) tenderness, right side

Tenderness flank

leftR10.8A2Left flank tenderness
rightR10.8A1Right flank tenderness

Tenderness rebound

epigastricR10.826Epigastric rebound abdominal tenderness
generalizedR10.827Generalized rebound abdominal tenderness
left lower quadrantR10.824Left lower quadrant rebound abdominal tenderness
left upper quadrantR10.822Left upper quadrant rebound abdominal tenderness
periumbilicR10.825Periumbilic rebound abdominal tenderness
right lower quadrantR10.823Right lower quadrant rebound abdominal tenderness
right upper quadrantR10.821Right upper quadrant rebound abdominal tenderness

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources