B27
Non-billableInfectious mononucleosis
Infectious mononucleosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
B25-B34
Child Codes
4
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- glandular fever
- monocytic angina
- Pfeiffer's disease
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- Fever, GlandularC0021345
- GF - Glandular feverC0021345
- Gammaherpesviral mononucleosisC0021345
- Gammaherpesviral mononucleosis (disorder)C0021345
- Glandular FeverC0021345
- Glandular feverC0021345
- IM - Infectious mononucleosisC0021345
- IM - Infective mononucleosisC0021345
- INFECT MONONUCLEOSISC0021345
- Infectious MononucleosisC0021345
- Infectious mononucleosisC0021345
- Infectious mononucleosis (disorder)C0021345
- Infectious mononucleosis, unspecifiedC0021345
- Infective mononucleosisC0021345
- Kissing diseaseC0021345
- MONONUCLEOSIS INFECTC0021345
- MonoC0021345
- Monocytic anginaC0021345
- MononucleosisC0021345
- Mononucleosis infectiousC0021345
- Mononucleosis, InfectiousC0021345
- Pfeiffer's diseaseC0021345
- glandular feverC0021345
- infectious mononucleosisC0021345
- monocytic anginaC0021345
- mononucleosisC0021345
- pfeiffer's diseaseC0021345
Frequently Asked Questions
What is ICD-10 code B27?
ICD-10-CM code B27 represents "Infectious mononucleosis". It is a non-billable header code — use a more specific child code for billing purposes.
Is B27 a billable code?
No, B27 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under B27.
What chapter is B27 in?
B27 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B27?
B27 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under B27?
B27 has 4 child codes, including: B27.0 (Gammaherpesviral mononucleosis), B27.1 (Cytomegaloviral mononucleosis), B27.8 (Other infectious mononucleosis), B27.9 (Infectious mononucleosis, unspecified).
Are additional codes required with B27?
Yes, when using B27 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B27?
B27 is linked to 1 UMLS Concept Unique Identifier: C0021345. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.