All ICD10 Codes

R65

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Symptoms and signs specifically associated with systemic inflammation and infection

Use a more specific code (0 billable, 2 non-billable)
R65.1Systemic inflammatory response syndrome (SIRS) of non-infectious originhas subcodesR65.2Severe sepsishas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R50-R69General symptoms and signs (R50-R69)
R65Symptoms and signs specifically associated with systemic inflammation and infectionNot billable
R65.1Systemic inflammatory response syndrome (SIRS) of non-infectious originSubcodes
R65.2Severe sepsisSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R65:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Symptoms and signs specifically associated with systemic inflammation and infection.

Search PCS Codes