2023

  1. ICD-10-CM Codes
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  2. R00-R99
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  3. R25-R29
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  4. R29-
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  5. 2023 ICD-10-CM Diagnosis Code R29.2

2023 ICD-10-CM Diagnosis Code R29.2

Abnormal reflex

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • R29.2 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 R29.2 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of R29.2 - other international versions of ICD-10 R29.2 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (R29.2) and the excluded code together.
  • abnormal pupillary reflex (
    ICD-10-CM Diagnosis Code H57.0

    Anomalies of pupillary function

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    H57.0
    )
  • hyperactive gag reflex (
    ICD-10-CM Diagnosis Code J39.2

    Other diseases of pharynx

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Cyst of pharynx
    • Edema of pharynx
    Type 2 Excludes
    • chronic pharyngitis (J31.2)
    • ulcerative pharyngitis (J02.9)
    J39.2
    )
  • vasovagal reaction or syncope (
    ICD-10-CM Diagnosis Code R55

    Syncope and collapse

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Blackout
    • Fainting
    • Vasovagal attack
    Type 1 Excludes
    • cardiogenic shock (R57.0)
    • carotid sinus syncope (G90.01)
    • heat syncope (T67.1)
    • neurocirculatory asthenia (F45.8)
    • neurogenic orthostatic hypotension (G90.3)
    • orthostatic hypotension (I95.1)
    • postprocedural shock (T81.1-)
    • psychogenic syncope (F48.8)
    • shock NOS (R57.9)
    • shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
    • shock complicating or following labor and delivery (O75.1)
    • Stokes-Adams attack (I45.9)
    • unconsciousness NOS (R40.2-)
    R55
    )
The following code(s) above R29.2 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 R29.2:
  • 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
Approximate Synonyms
  • Abnormal suck reflex
  • Absent reflex
  • Hyperreflexia
  • Suck reflex abnormal
Clinical Information
  • An abnormal response to a stimulus applied to the sensory components of the nervous system. This may take the form of increased, decreased, or absent reflexes.
ICD-10-CM R29.2 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc

Convert R29.2 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

Diagnosis Index entries containing back-references to R29.2:

ICD-10-CM Codes Adjacent To R29.2
R26.81 Unsteadiness on feet
R26.89 Other abnormalities of gait and mobility
R26.9 Unspecified abnormalities of gait and mobility
R27 Other lack of coordination
R27.0 Ataxia, unspecified
R27.8 Other lack of coordination
R27.9 Unspecified lack of coordination
R29 Other symptoms and signs involving the nervous and musculoskeletal systems
R29.0 Tetany
R29.1 Meningismus
R29.2 Abnormal reflex
R29.3 Abnormal posture
R29.4 Clicking hip
R29.5 Transient paralysis
R29.6 Repeated falls
R29.7 National Institutes of Health Stroke Scale (NIHSS) score
R29.70 NIHSS score 0-9
R29.700 NIHSS score 0
R29.701 NIHSS score 1
R29.702 NIHSS score 2
R29.703 NIHSS score 3

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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