A77.4
Non-billableEhrlichiosis
Ehrlichiosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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 (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for ehrlichiosis?
The ICD-10-CM code for ehrlichiosis is A77.4. The full clinical description is "Ehrlichiosis". A77.4 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A77.4 mean?
ICD-10-CM code A77.4 represents "Ehrlichiosis". It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is A77.4 a billable code?
No, A77.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under A77.4.
What chapter is A77.4 in?
A77.4 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A77.4?
A77.4 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; anaplasmosis [A. phagocytophilum] (A79.82); rickettsiosis due to Ehrlichia sennetsu (A79.81).
What are the subcategories under A77.4?
A77.4 has 3 child codes, including: A77.40 (Ehrlichiosis, unspecified), A77.41 (Ehrlichiosis chaffeensis [E. chaffeensis]), A77.49 (Other ehrlichiosis).
Are additional codes required with A77.4?
Yes, when using A77.4 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A77.4?
A77.4 is linked to 1 UMLS Concept Unique Identifier: C0085399. 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.