Diagnosis Code

B27.9 INFECTIOUS MONONUCLEOSIS, UNSPECIFIED


Code Information

Diagnosis Code: B27.9

Short Description: Infectious mononucleosis, unspecified

Long Description: Infectious mononucleosis, unspecified

The code B27.9 is NOT VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Other viral diseases (B25-B34)
      • Infectious mononucleosis (B27)
        • B27.9 Infectious mononucleosis, unspecified

Code Version: 2022 ICD-10-CM


Similar Codes

ICD-10 Code ICD-10 Description
B27 Infectious mononucleosis
B27.0 Gammaherpesviral mononucleosis
B27.00 Gammaherpesviral mononucleosis without complication
B27.01 Gammaherpesviral mononucleosis with polyneuropathy
B27.02 Gammaherpesviral mononucleosis with meningitis
B27.09 Gammaherpesviral mononucleosis with other complications
B27.1 Cytomegaloviral mononucleosis
B27.10 Cytomegaloviral mononucleosis without complications
B27.11 Cytomegaloviral mononucleosis with polyneuropathy
B27.12 Cytomegaloviral mononucleosis with meningitis
B27.19 Cytomegaloviral mononucleosis with other complication
B27.8 Other infectious mononucleosis
B27.80 Other infectious mononucleosis without complication
B27.81 Other infectious mononucleosis with polyneuropathy
B27.82 Other infectious mononucleosis with meningitis
B27.89 Other infectious mononucleosis with other complication
B27.90 Infectious mononucleosis, unspecified without complication
B27.91 Infectious mononucleosis, unspecified with polyneuropathy
B27.92 Infectious mononucleosis, unspecified with meningitis
B27.99 Infectious mononucleosis, unspecified with other complication


This page was last updated on: 10/1/2023