ICD-10-CM · Chapter 18 · R00–R99
R65
Symptoms and signs specifically associated with systemic inflammation and infection
Symptoms, signs and abnormal clinical and laboratory findings
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- R65
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings
- Category
- R65
- Specificity
- 3 characters
How coders use this code
ICD-10-CM R65 is a category (header) for symptoms and signs specifically associated with systemic inflammation and infection. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in R65
- R65.1Systemic inflammatory response syndrome (SIRS) of non-infectious origin
- R65.10Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction
- R65.11Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction
- R65.2Severe sepsis
- R65.20Severe sepsis without septic shock
- R65.21Severe sepsis with septic shock
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