2023/2022

  1. ICD-10-CM Codes
    2. ›
  2. R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    3. ›
  3. R70-R79 Abnormal findings on examination of blood, without diagnosis
    4. ›
  4. R73- Elevated blood glucose level
    5. ›
  5. 2023 ICD-10-CM Diagnosis Code R73.9

2023 ICD-10-CM Diagnosis Code R73.9

Hyperglycemia, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • R73.9 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 R73.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of R73.9 - other international versions of ICD-10 R73.9 may differ.
The following code(s) above R73.9 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 R73.9:
  • 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
  • R70-R79
    2023 ICD-10-CM Range R70-R79

    Abnormal findings on examination of blood, without diagnosis

    Type 2 Excludes
    • abnormal findings on antenatal screening of mother (O28.-)
    • abnormalities of lipids (E78.-)
    • abnormalities of platelets and thrombocytes (D69.-)
    • abnormalities of white blood cells classified elsewhere (D70-D72)
    • coagulation hemorrhagic disorders (D65-D68)
    • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
    • hemorrhagic and hematological disorders of newborn (P50-P61)
    Abnormal findings on examination of blood, without diagnosis
  • R73
    ICD-10-CM Diagnosis Code R73

    Elevated blood glucose level

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diabetes mellitus (E08-E13)
    • diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)
    • neonatal disorders (P70.0-P70.2)
    • postsurgical hypoinsulinemia (E89.1)
    Elevated blood glucose level
Approximate Synonyms
  • Hyperglycemia
  • Hyperglycemia (high blood sugar)
  • Hyperglycemia due to steroid
  • Nutrition therapy for pre-diabetes done
  • Nutritional therapy for pre-diabetes
  • Steroid induced hyperglycemia
Clinical Information
  • A disorder characterized by laboratory test results that indicate an elevation in the concentration of blood sugar. It is usually an indication of diabetes mellitus or glucose intolerance.
  • A high level of blood sugar. It is usually an indication of diabetes mellitus.
  • Abnormally high blood glucose level.
  • Higher than normal amount of glucose (a type of sugar) in the blood. Hyperglycemia can be a sign of diabetes or other conditions.
ICD-10-CM R73.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 640 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with mcc
  • 641 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without mcc

Convert R73.9 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 R73.9:
  • Type 1 Excludes: R79
    , E10
    , E89.1
    ICD-10-CM Diagnosis Code R79

    Other abnormal findings of blood chemistry

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • asymptomatic hyperuricemia (E79.0)
    • hyperglycemia NOS (R73.9)
    • hypoglycemia NOS (E16.2)
    • neonatal hypoglycemia (P70.3-P70.4)
    • specific findings indicating disorder of amino-acid metabolism (E70-E72)
    • specific findings indicating disorder of carbohydrate metabolism (E73-E74)
    • specific findings indicating disorder of lipid metabolism (E75.-)
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    ICD-10-CM Diagnosis Code E10

    Type 1 diabetes mellitus

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • brittle diabetes (mellitus)
    • diabetes (mellitus) due to autoimmune process
    • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
    • idiopathic diabetes (mellitus)
    • juvenile onset diabetes (mellitus)
    • ketosis-prone diabetes (mellitus)
    Type 1 Excludes
    • diabetes mellitus due to underlying condition (E08.-)
    • drug or chemical induced diabetes mellitus (E09.-)
    • gestational diabetes (O24.4-)
    • hyperglycemia NOS (R73.9)
    • neonatal diabetes mellitus (P70.2)
    • postpancreatectomy diabetes mellitus (E13.-)
    • postprocedural diabetes mellitus (E13.-)
    • secondary diabetes mellitus NEC (E13.-)
    • type 2 diabetes mellitus (E11.-)
    ICD-10-CM Diagnosis Code E89.1

    Postprocedural hypoinsulinemia

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Postpancreatectomy hyperglycemia
    • Postsurgical hypoinsulinemia
    Type 1 Excludes
    • transient postprocedural hyperglycemia (R73.9)
    • transient postprocedural hypoglycemia (E16.2)
    Use Additional
    • code, if applicable, to identify:
    • acquired absence of pancreas (Z90.41-)
    • diabetes mellitus (postpancreatectomy) (postprocedural) (E13.-)
    • insulin use (Z79.4)

Diagnosis Index entries containing back-references to R73.9:

ICD-10-CM Codes Adjacent To R73.9
R70.1 Abnormal plasma viscosity
R71 Abnormality of red blood cells
R71.0 Precipitous drop in hematocrit
R71.8 Other abnormality of red blood cells
R73 Elevated blood glucose level
R73.0 Abnormal glucose
R73.01 Impaired fasting glucose
R73.02 Impaired glucose tolerance (oral)
R73.03 Prediabetes
R73.09 Other abnormal glucose
R73.9 Hyperglycemia, unspecified
R74 Abnormal serum enzyme levels
R74.0 Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]
R74.01 Elevation of levels of liver transaminase levels
R74.02 Elevation of levels of lactic acid dehydrogenase [LDH]
R74.8 Abnormal levels of other serum enzymes
R74.9 Abnormal serum enzyme level, unspecified
R75 Inconclusive laboratory evidence of human immunodeficiency virus [HIV]
R76 Other abnormal immunological findings in serum
R76.0 Raised antibody titer
R76.1 Nonspecific reaction to test for tuberculosis

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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