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ICD-10-CM Code A77.3
Spotted fever due to Rickettsia australis

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

A77.3 is a billable ICD code used to specify a diagnosis of spotted fever due to Rickettsia australis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code A773 is used to code Queensland tick typhus

Queensland tick typhus (or Australian tick typhus or (Rickettsial) spotted fever) is a condition caused by a bacterium Rickettsia australis.

Specialty: Infectious Disease
ICD 9 Code: 823
Source: Wikipedia

Coding Notes for A77.3 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Queensland tick typhus

MS-DRG Mapping

  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses with MCC.
  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses with CC.
  • DRG Group #867-869 - Other infectious and parasitic diseases diagnoses without CC or MCC.

ICD-10-CM Alphabetical Index References for 'A77.3 - Spotted fever due to Rickettsia australis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code A77.3. Click on any term below to browse the alphabetical index.


Queensland tick typhus (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 082.3 was previously used, A77.3 is the appropriate modern ICD10 code.

Parent Code: A77 - Spotted fever [tick-borne rickettsioses]

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Source: http://icd.codes/icd10cm/A773