B27.99
BillableInfectious mononucleosis, unsp with other complication
Infectious mononucleosis, unspecified with other complication
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Hepatomegaly in unspecified infectious mononucleosis
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.-)
Also Known As / Clinical Terms
SNOMED CT
- Pericarditis due to infectious mononucleosis65447009
- Fatal infectious mononucleosis128872002
- Infectious mononucleosis encephalitis230175007
- Infectious mononucleosis exanthem238370005
- African Burkitt lymphoma240531002
- African Burkitt's lymphoma240531002
- Dacryoadenitis due to infectious mononucleosis840443008
- Mononucleosis dacryoadenitis840443008
Frequently Asked Questions
What is the ICD-10 code for infectious mononucleosis, unsp with other complication?
The ICD-10-CM code for infectious mononucleosis, unsp with other complication is B27.99. The full clinical description is "Infectious mononucleosis, unspecified with other complication". B27.99 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code B27.99 mean?
ICD-10-CM code B27.99 represents "Infectious mononucleosis, unspecified with other complication". It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is B27.99 a billable code?
Yes, B27.99 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is B27.99 in?
B27.99 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B27.99?
B27.99 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with B27.99?
Yes, when using B27.99 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does B27.99 map to?
B27.99 maps to 6 SNOMED CT concepts: 240531002, 840443008, 128872002, 230175007, 238370005, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for B27.99?
B27.99 is linked to 2 UMLS Concept Unique Identifiers: C2911617, C2911618. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.