B27.09

B27.09: Gammaherpesviral mononucleosis with other complications

Billable / specific codeICD-10-CM

B27.09 is a billable, specific ICD-10-CM code for gammaherpesviral mononucleosis with other complications. It is valid for submission on a claim.

Check B27.09 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Hepatomegaly in gammaherpesviral mononucleosis

Other codes that can never be billed with B27.09

Their own Excludes1 notes name this code, so the conflict is not listed above.

G02Meningitis in other infectious and parasitic diseases classified elsewhere
J02.8Acute pharyngitis due to other specified organisms
D72.821Monocytosis (symptomatic)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

B27.09 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions

Alphabetic index entries that lead here

Adenitis›epidemic, acute
Adenitis›infectious(acute) (epidemic)
Hepatomegaly›in mononucleosis›gammaherpesviral
Mononucleosis, infectious›Epstein-Barr›with›complication NEC
Mononucleosis, infectious›gammaherpesviral›with›complication NEC

Code history

Unchanged in every release from FY2024 to FY2027.