2023

  1. ICD-10-CM Codes
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  2. R00-R99
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  3. R50-R69
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  5. 2023 ICD-10-CM Diagnosis Code R50.82

2023 ICD-10-CM Diagnosis Code R50.82

Postprocedural fever

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • R50.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM R50.82 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of R50.82 - other international versions of ICD-10 R50.82 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as R50.82. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • postprocedural infection (
    ICD-10-CM Diagnosis Code T81.4

    Infection following a procedure

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Wound abscess following a procedure
    Type 2 Excludes
    Use Additional
    • code to identify infection
    T81.4-
    )
  • posttransfusion fever (
    ICD-10-CM Diagnosis Code R50.84

    Febrile nonhemolytic transfusion reaction

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • FNHTR
    • Posttransfusion fever
    R50.84
    )
  • postvaccination (postimmunization) fever (
    ICD-10-CM Diagnosis Code R50.83

    Postvaccination fever

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Postimmunization fever
    R50.83
    )
The following code(s) above R50.82 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to R50.82:
  • R00-R99
    2023 ICD-10-CM Range R00-R99

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

    Note
    • This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.
    • Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification.
    • The conditions and signs or symptoms included in categories R00-R94 consist of:
    • (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated;
    • (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined;
    • (c) provisional diagnosis in a patient who failed to return for further investigation or care;
    • (d) cases referred elsewhere for investigation or treatment before the diagnosis was made;
    • (e) cases in which a more precise diagnosis was not available for any other reason;
    • (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right.
    Type 2 Excludes
    • abnormal findings on antenatal screening of mother (O28.-)
    • certain conditions originating in the perinatal period (P04-P96)
    • signs and symptoms classified in the body system chapters
    • signs and symptoms of breast (N63, N64.5)
    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
  • R50
    ICD-10-CM Diagnosis Code R50

    Fever of other and unknown origin

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • chills without fever (R68.83)
    • febrile convulsions (R56.0-)
    • fever of unknown origin during labor (O75.2)
    • fever of unknown origin in newborn (P81.9)
    • hypothermia due to illness (R68.0)
    • malignant hyperthermia due to anesthesia (T88.3)
    • puerperal pyrexia NOS (O86.4)
    Fever of other and unknown origin
Approximate Synonyms
  • Fever after procedure
  • Postoperative fever
ICD-10-CM R50.82 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 864 Fever and inflammatory conditions

Convert R50.82 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to R50.82:
  • Type 1 Excludes: O86.0
    ICD-10-CM Diagnosis Code O86.0

    Infection of obstetric surgical wound

      2016 2017 2018 2019 - Converted to Parent Code 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Infected cesarean delivery wound following delivery
    • Infected perineal repair following delivery
    Type 1 Excludes
    • complications of procedures, not elsewhere classified (T81.4-)
    • postprocedural fever NOS (R50.82)
    • postprocedural retroperitoneal abscess (K68.11)
  • Type 2 Excludes: T81.4
    ICD-10-CM Diagnosis Code T81.4

    Infection following a procedure

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Wound abscess following a procedure
    Type 2 Excludes
    Use Additional
    • code to identify infection

Diagnosis Index entries containing back-references to R50.82:
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
    ICD-10-CM Diagnosis Code R50.9

    Fever, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 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 Codes Adjacent To R50.82
R49.1 Aphonia
R49.2 Hypernasality and hyponasality
R49.21 Hypernasality
R49.22 Hyponasality
R49.8 Other voice and resonance disorders
R49.9 Unspecified voice and resonance disorder
R50 Fever of other and unknown origin
R50.2 Drug induced fever
R50.8 Other specified 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
R51 Headache
R51.0 Headache with orthostatic component, not elsewhere classified
R51.9 Headache, unspecified
R52 Pain, unspecified
R53 Malaise and fatigue
R53.0 Neoplastic (malignant) related fatigue
R53.1 Weakness

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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