R65.2Header code — not billable
Severe sepsis
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R65
- Effective date
- October 1, 2026
Related codes in category R65
R65Symp and signs specifically assoc w sys inflam and infctR65.1SIRS of non-infectious originR65.10SIRS of non-infectious origin w/o acute organ dysfunctionYesR65.11SIRS of non-infectious origin w acute organ dysfunctionYesR65.20Severe sepsis without septic shockYesR65.21Severe sepsis with septic shockYes
Frequently asked questions
What is ICD-10 code R65.2?
R65.2 is an ICD-10-CM diagnosis code for Severe sepsis.
Is R65.2 a billable code?
No. R65.2 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is R65.2 in?
R65.2 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R65.2 become effective?
R65.2 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R65.2?
R65.2 belongs to category R65, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.