2020

  1. ICD-10-CM Codes
    2. ›
  2. R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    3. ›
  3. R00-R09 Symptoms and signs involving the circulatory and respiratory systems
    4. ›
  4. R00- Abnormalities of heart beat
    5. ›
  5. 2020 ICD-10-CM Diagnosis Code R00.0

2020 ICD-10-CM Diagnosis Code R00.0

Tachycardia, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • R00.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM R00.0 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of R00.0 - other international versions of ICD-10 R00.0 may differ.
Applicable To
  • Rapid heart beat
  • Sinoauricular tachycardia NOS
  • Sinus [sinusal] tachycardia NOS
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 R00.0. 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.
  • neonatal tachycardia (
    ICD-10-CM Diagnosis Code P29.11

    Neonatal tachycardia

      2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record
    P29.11
    )
  • paroxysmal tachycardia (
    ICD-10-CM Diagnosis Code I47
    • I47 Paroxysmal tachycardia
      • I47.0 Re-entry ventricular arrhythmia
      • I47.1 Supraventricular tachycardia
      • I47.2 Ventricular tachycardia
      • I47.9 Paroxysmal tachycardia, unspecified
    I47.-
    )
The following code(s) above R00.0 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 R00.0:
  • R00-R99
    2020 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
  • R00
    ICD-10-CM Diagnosis Code R00

    Abnormalities of heart beat

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • abnormalities originating in the perinatal period (P29.1-)
    Type 2 Excludes
    • specified arrhythmias (I47-I49)
    Abnormalities of heart beat
Approximate Synonyms
  • Inappropriate sinus tachycardia
  • Inappropriate sinus tachycardia (rapid heart beat)
  • Sinus tachycardia
  • Sinus tachycardia (fast heart beat)
  • Tachycardia
Clinical Information
  • Abnormally rapid heartbeat, usually with a heart rate above 100 beats per minute for adults. Tachycardia accompanied by disturbance in the cardiac depolarization (cardiac arrhythmia) is called tachyarrhythmia.
  • An abnormally rapid heartbeat, usually applied to a heart rate above 100 per minute.
  • Excessive rapidity in the action of the heart.
  • Rapid beating of the heart, usually defined as greater than 100 beats per minute.
  • Tachycardia; an abnormally rapid heartbeat, usually applied to a heart rate above 100 per minute.
ICD-10-CM R00.0 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 308 Cardiac arrhythmia and conduction disorders with mcc
  • 309 Cardiac arrhythmia and conduction disorders with cc
  • 310 Cardiac arrhythmia and conduction disorders without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert R00.0 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
Code annotations containing back-references to R00.0:
  • Type 1 Excludes: I47
    , I47
    , I47
    ICD-10-CM Diagnosis Code I47

    Paroxysmal tachycardia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • tachycardia complicating:
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • obstetric surgery and procedures (O75.4)
    Type 1 Excludes
    • tachycardia NOS (R00.0)
    • sinoauricular tachycardia NOS (R00.0)
    • sinus [sinusal] tachycardia NOS (R00.0)
    ICD-10-CM Diagnosis Code I47

    Paroxysmal tachycardia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • tachycardia complicating:
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • obstetric surgery and procedures (O75.4)
    Type 1 Excludes
    • tachycardia NOS (R00.0)
    • sinoauricular tachycardia NOS (R00.0)
    • sinus [sinusal] tachycardia NOS (R00.0)
    ICD-10-CM Diagnosis Code I47

    Paroxysmal tachycardia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • tachycardia complicating:
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • obstetric surgery and procedures (O75.4)
    Type 1 Excludes
    • tachycardia NOS (R00.0)
    • sinoauricular tachycardia NOS (R00.0)
    • sinus [sinusal] tachycardia NOS (R00.0)

Diagnosis Index entries containing back-references to R00.0:

ICD-10-CM Codes Adjacent To R00.0
Q98.7 Male with sex chromosome mosaicism
Q98.8 Other specified sex chromosome abnormalities, male phenotype
Q98.9 Sex chromosome abnormality, male phenotype, unspecified
Q99 Other chromosome abnormalities, not elsewhere classified
Q99.0 Chimera 46, XX/46, XY
Q99.1 46, XX true hermaphrodite
Q99.2 Fragile X chromosome
Q99.8 Other specified chromosome abnormalities
Q99.9 Chromosomal abnormality, unspecified
R00 Abnormalities of heart beat
R00.0 Tachycardia, unspecified
R00.1 Bradycardia, unspecified
R00.2 Palpitations
R00.8 Other abnormalities of heart beat
R00.9 Unspecified abnormalities of heart beat
R01 Cardiac murmurs and other cardiac sounds
R01.0 Benign and innocent cardiac murmurs
R01.1 Cardiac murmur, unspecified
R01.2 Other cardiac sounds
R03 Abnormal blood-pressure reading, without diagnosis
R03.0 Elevated blood-pressure reading, without diagnosis of hypertension

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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