All ICD10 Codes

R10.A2

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Flank pain, left side

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:
View CH18 NotesView R10-R19 NotesView R10 NotesView R10.A Notes

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R10-R19Symptoms and signs involving the digestive system and abdomen (R10-R19)
R10Abdominal and pelvic pain
R10.APain localized to flank
R10.A2Flank pain, left sideBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R10.A2:

subcategoryR10.A
Pain localized to flank
View context instructions
categoryR10
Abdominal and pelvic pain
View context instructions
blockR10-R19
Symptoms and signs involving the digestive system and abdomen (R10-R19)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Code History

  • FY 2025: This code replaced R10.84 (Generalized abdominal pain)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 391
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC
DRG 392
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC

Cross Reference

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