A77
Non-billableSpotted fever [tick-borne rickettsioses]
Spotted fever [tick-borne rickettsioses]
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
A75-A79
Child Codes
7
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)
- 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 (7)
A77.0Spotted fever due to Rickettsia rickettsii
A77.1Spotted fever due to Rickettsia conorii
A77.2Spotted fever due to Rickettsia siberica
A77.3Spotted fever due to Rickettsia australis
A77.4Ehrlichiosis
A77.8Other spotted fevers
A77.9Spotted fever, unspecified
Also Known As / Clinical Terms
UMLS
- Fever, SpottedC0038041
- Fevers, SpottedC0038041
- Spotted FeverC0038041
- Spotted Fever Group RickettsiosesC0038041
- Spotted Fever Group RickettsiosisC0038041
- Spotted FeversC0038041
- Spotted fever [tick-borne rickettsioses]C0038041
- Spotted fever disordersC0038041
- Spotted fever group rickettsial diseaseC0038041
- Spotted fever group rickettsial disease (disorder)C0038041
- Spotted fever, unspecifiedC0038041
- Spotted feversC0038041
- fever spotsC0038041
- fever spottedC0038041
- spotted feverC0038041
- unspecified spotted feverC0038041
Frequently Asked Questions
What is ICD-10 code A77?
ICD-10-CM code A77 represents "Spotted fever [tick-borne rickettsioses]". It is a non-billable header code — use a more specific child code for billing purposes.
Is A77 a billable code?
No, A77 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under A77.
What chapter is A77 in?
A77 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A77?
A77 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 A77?
A77 has 7 child codes, including: A77.0 (Spotted fever due to Rickettsia rickettsii), A77.1 (Spotted fever due to Rickettsia conorii), A77.2 (Spotted fever due to Rickettsia siberica), A77.3 (Spotted fever due to Rickettsia australis), and 3 more.
Are additional codes required with A77?
Yes, when using A77 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A77?
A77 is linked to 1 UMLS Concept Unique Identifier: C0038041. 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.