ICD-10-CM Codes
A00-B99
B25-B34
B27-
2023 ICD-10-CM Diagnosis Code B27.90

2023 ICD-10-CM Diagnosis Code B27.90

Infectious mononucleosis, unspecified without complication

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

B27.90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM B27.90 became effective on October 1, 2022.
This is the American ICD-10-CM version of B27.90 - other international versions of ICD-10 B27.90 may differ.

The following code(s) above B27.90 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to B27.90:

A00-B99
2023 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
B27
ICD-10-CM Diagnosis Code B27
Infectious mononucleosis
Includes
- glandular fever
- monocytic angina
- Pfeiffer's disease
Infectious mononucleosis

Approximate Synonyms

Epstein barr virus disease
Infectious mononucleosis
Infectious mononucleosis (mono)

ICD-10-CM B27.90 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

865 Viral illness with mcc
866 Viral illness without mcc

Convert B27.90 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to B27.90:

Mononucleosis, infectious B27.90

ICD-10-CM Codes Adjacent To B27.90

B27.10 …… without complications

B27.11 …… with polyneuropathy

B27.12 …… with meningitis

B27.19 …… with other complication

B27.8 Other infectious mononucleosis

B27.80 …… without complication

B27.81 …… with polyneuropathy

B27.82 …… with meningitis

B27.89 …… with other complication

B27.9 Infectious mononucleosis, unspecified

B27.90 …… without complication

B27.91 …… with polyneuropathy

B27.92 …… with meningitis

B27.99 …… with other complication

B30 Viral conjunctivitis

B30.0 Keratoconjunctivitis due to adenovirus

B30.1 Conjunctivitis due to adenovirus

B30.2 Viral pharyngoconjunctivitis

B30.3 Acute epidemic hemorrhagic conjunctivitis (enteroviral)

B30.8 Other viral conjunctivitis

B30.9 Viral conjunctivitis, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code B27.90

Infectious mononucleosis, unspecified without complication

Certain infectious and parasitic diseases

Infectious mononucleosis