Category B27
Non-Billable Category
FY2027 Dataset
B27: Infectious mononucleosis
Parent Chapter: Chapter 1: Certain infectious and parasitic diseases
Notice on Coding Specificity: Category B27 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.
Specific Child Codes in Category B27
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| B27.00 | Gammaherpesviral mononucleosis without complication | Billable Code | View Code |
| B27.01 | Gammaherpesviral mononucleosis with polyneuropathy | Billable Code | View Code |
| B27.02 | Gammaherpesviral mononucleosis with meningitis | Billable Code | View Code |
| B27.09 | Gammaherpesviral mononucleosis with other complications | Billable Code | View Code |
| B27.10 | Cytomegaloviral mononucleosis without complications | Billable Code | View Code |
| B27.11 | Cytomegaloviral mononucleosis with polyneuropathy | Billable Code | View Code |
| B27.12 | Cytomegaloviral mononucleosis with meningitis | Billable Code | View Code |
| B27.19 | Cytomegaloviral mononucleosis with other complication | Billable Code | View Code |
| B27.80 | Other infectious mononucleosis without complication | Billable Code | View Code |
| B27.81 | Other infectious mononucleosis with polyneuropathy | Billable Code | View Code |
| B27.82 | Other infectious mononucleosis with meningitis | Billable Code | View Code |
| B27.89 | Other infectious mononucleosis with other complication | Billable Code | View Code |
| B27.90 | Infectious mononucleosis, unspecified without complication | Billable Code | View Code |
| B27.91 | Infectious mononucleosis, unspecified with polyneuropathy | Billable Code | View Code |
| B27.92 | Infectious mononucleosis, unspecified with meningitis | Billable Code | View Code |
| B27.99 | Infectious mononucleosis, unsp with other complication | Billable Code | View Code |
| B27 | Infectious mononucleosis | Non-Billable | View Code |
| B27.0 | Gammaherpesviral mononucleosis | Non-Billable | View Code |
| B27.1 | Cytomegaloviral mononucleosis | Non-Billable | View Code |
| B27.8 | Other infectious mononucleosis | Non-Billable | View Code |
| B27.9 | Infectious mononucleosis, unspecified | Non-Billable | View Code |