083.9 RICKETTSIOSIS NOS


Code Information

Diagnosis Code: 083.9

Short Description: Rickettsiosis NOS

Long Description: Rickettsiosis, unspecified

Code Classification:

  • Infectious and parasitic diseases (001–139)
    • Rickettsioses and other arthropod-borne diseases (080-088)
      • 083 Other rickettsioses
        • 083.9 Rickettsiosis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 083.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Disease, diseased - see also Syndrome
    • rickettsial NEC 083.9
      • specified type NEC 083.8
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • due to
      • rickettsiosis (see also Rickettsiosis) 083.9 [323.1]
  • Infection, infected, infective (opportunistic) 136.9
    • rickettsial 083.9
  • Pneumonia (acute) (Alpenstich) (benign) (bilateral) (brain) (cerebral) (circumscribed) (congestive) (creeping) (delayed resolution) (double) (epidemic) (fever) (flash) (fulminant) (fungoid) (granulomatous) (hemorrhagic) (incipient) (infantile) (infectious) (infiltration) (insular) (intermittent) (latent) (lobe) (migratory) (newborn) (organized) (overwhelming) (primary) (progressive) (pseudolobar) (purulent) (resolved) (secondary) (senile) (septic) (suppurative) (terminal) (true) (unresolved) (vesicular) 486
    • due to
      • rickettsia 083.9 [484.8]
  • Rickettsial disease 083.9
    • specified type NEC 083.8
  • Rickettsiosis NEC 083.9
    • specified type NEC 083.8
    • tick-borne 082.9
      • specified type NEC 082.8
    • vesicular 083.2

Crosswalk Information

The code 083.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
083.9 Right Arrow A79.9 Rickettsiosis, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
083.0 Q fever
083.1 Trench fever
083.2 Rickettsialpox
083.8 Other specified rickettsioses


This page was last updated on: 10/1/2014