2021

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  3. The 2021 Diagnosis Related Groups dataset

DRG 864

Fever and inflammatory conditions

  • R50.2
    Drug induced fever
  • R50.81
    Fever presenting with conditions classified elsewhere
  • R50.82
    Postprocedural fever
  • R50.83
    Postvaccination fever
  • R50.84
    Febrile nonhemolytic transfusion reaction
  • R50.9
    Fever, unspecified
  • R65.10
    Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction
  • R65.11
    Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction
ICD-10-CM R50.2

Drug induced fever

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes
  • postvaccination (postimmunization) fever (R50.83)
Use Additional
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
ICD-10-CM R50.81

Fever presenting with conditions classified elsewhere

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
Code First
  • underlying condition when associated fever is present, such as with:
  • leukemia (C91-C95)
  • neutropenia (D70.-)
  • sickle-cell disease (D57.-)
ICD-10-CM R50.82

Postprocedural fever

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes
  • postprocedural infection (T81.4-)
  • posttransfusion fever (R50.84)
  • postvaccination (postimmunization) fever (R50.83)
ICD-10-CM R50.83

Postvaccination fever

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Postimmunization fever
ICD-10-CM R50.84

Febrile nonhemolytic transfusion reaction

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • FNHTR
  • Posttransfusion fever
ICD-10-CM R50.9

Fever, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
ICD-10-CM R65.10

Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Systemic inflammatory response syndrome (SIRS) NOS
ICD-10-CM R65.11

Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Use Additional
  • code to identify specific acute organ dysfunction, such as:
  • acute kidney failure (N17.-)
  • acute respiratory failure (J96.0-)
  • critical illness myopathy (G72.81)
  • critical illness polyneuropathy (G62.81)
  • disseminated intravascular coagulopathy [DIC] (D65)
  • encephalopathy (metabolic) (septic) (G93.41)
  • hepatic failure (K72.0-)

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