R79.82

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Elevated C-reactive protein (CRP)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •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 R70-R79 NotesView R79 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R79Other abnormal findings of blood chemistry
R79.8Other specified abnormal findings of blood chemistry
R79.82Elevated C-reactive protein (CRP)

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R79.82:

categoryR79
Other abnormal findings of blood chemistry
View context instructions
blockR70-R79
Abnormal findings on examination of blood, without diagnosis (R70-R79)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R79.82. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Abnormal, abnormality, abnormalities1 unique routes
chemistry, blood
C-reactive protein→R79.82
Elevated, elevation1 unique routes
C-reactive protein (CRP)→R79.82

MS-DRG Classification

2026 v43.1

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

DRG 947
Signs and Symptoms with MCC
DRG 948
Signs and Symptoms without MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Elevated C-reactive protein (CRP).

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