ICD-10-CM 2027
ICD-10 code for Bacteremia
From the official ICD-10-CM alphabetic index entry “Bacteremia”. Page updated September 29, 2026.
About coding Bacteremia
The ICD-10-CM code for Bacteremia is R78.81 (Bacteremia).
Within R78.8 (finding of other specified substances, not normally found in blood), R78.81 is specifically for Bacteremia. Related codes cover finding of other specified substances, not normally found in blood (R78.89).
Don't report R78.81 together with the conditions in its Excludes1 note: sepsis-code to specified infection.
Use an additional code to identify any retained foreign body, if applicable (Z18.-).
More specific Bacteremia codes (official index)
- with sepsis
Don't confuse with (Excludes1 for R78.81)
- sepsis-code to specified infection
Common questions about Bacteremia ICD-10 codes
What is the ICD-10 code for Bacteremia?
- R78.81 — Bacteremia.
Is R78.81 billable?
- Yes. R78.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R78.81 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R78.81 as a principal diagnosis.
Is R78.81 a CC or MCC?
- R78.81 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.