B27.10Billable

Cytomegaloviral mononucleosis without complications

Chapter
1. Certain infectious and parasitic diseases
Category
B27
Effective date
October 1, 2026

Related codes in category B27

Frequently asked questions

What is ICD-10 code B27.10?

B27.10 is an ICD-10-CM diagnosis code for Cytomegaloviral mononucleosis without complications.

Is B27.10 a billable code?

Yes. B27.10 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is B27.10 in?

B27.10 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B27.10 become effective?

B27.10 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B27.10?

B27.10 belongs to category B27, which includes 12 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.