Syncope and collapse DRG 312

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The 2024 Diagnosis Related Groups dataset

DRG 312

Syncope and collapse

I95.1  Orthostatic hypotension

  • I95.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM I95.1 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of I95.1 – other international versions of ICD-10 I95.1 may differ.

Applicable To

  • Hypotension, postural

Type 1 Excludes

  • neurogenic orthostatic hypotension [Shy-Drager] (G90.3)
  • orthostatic hypotension due to drugs (I95.2)

The following code(s) above I95.1 contain annotation back-references

 that may be applicable to I95.1:

  • I00-I99  Diseases of the circulatory system
  • I95  Hypotension

Approximate Synonyms

  • Orthostatic hypotension (low blood pressure upright)
  • Syncope (fainting) due to orthostatic hypotension
  • Syncope due to orthostatic hypotension
  • Tremor due to orthostatic hypotension

Clinical Information

  • A significant drop in blood pressure after assuming a standing position. Orthostatic hypotension is a finding, and defined as a 20-mm hg decrease in systolic pressure or a 10-mm hg decrease in diastolic pressure 3 minutes after the person has risen from supine to standing. Symptoms generally include dizziness, blurred vision, and syncope.
  • Fall in blood pressure associated with dizziness, syncope and blurred vision occurring upon standing or when standing motionless in a fixed position.
  • Sudden fall of the blood pressure of at least 20/10 mm hg when a person stands up.

ICD-10-CM I95.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 312 Syncope and collapse

Convert I95.1 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to I95.1:

Diagnosis Index entries containing back-references to I95.1:

I95.2  Hypotension due to drugs

  • I95.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM I95.2 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of I95.2 – other international versions of ICD-10 I95.2 may differ.

Applicable To

  • Orthostatic hypotension due to drugs

Use Additional

  • code for adverse effect, if applicable, to identify drug (T36-T50  with fifth or sixth character 5)

The following code(s) above I95.2 contain annotation back-references

 that may be applicable to I95.2:

  • I00-I99  Diseases of the circulatory system
  • I95  Hypotension

ICD-10-CM I95.2 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 312 Syncope and collapse

Convert I95.2 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to I95.2:

  • Type 1 Excludes: I95.1

Diagnosis Index entries containing back-references to I95.2:

I95.3  Hypotension of hemodialysis

  • I95.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM I95.3 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of I95.3 – other international versions of ICD-10 I95.3 may differ.

Applicable To

  • Intra-dialytic hypotension

The following code(s) above I95.3 contain annotation back-references

 that may be applicable to I95.3:

  • I00-I99  Diseases of the circulatory system
  • I95  Hypotension

Approximate Synonyms

  • Hemodialysis-associated hypotension
  • Hypotension associated with hemodialysis

ICD-10-CM I95.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 312 Syncope and collapse

Convert I95.3 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to I95.3:

  • Hypotension (arterial) (constitutional) I95.9
    • due to I95.3 (of)
    • intra-dialytic I95.3

I95.81  Postprocedural hypotension

  • I95.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM I95.81 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of I95.81 – other international versions of ICD-10 I95.81 may differ.

The following code(s) above I95.81 contain annotation back-references

 that may be applicable to I95.81:

  • I00-I99  Diseases of the circulatory system
  • I95  Hypotension

Approximate Synonyms

  • Hypotension following procedure

ICD-10-CM I95.81 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 312 Syncope and collapse

Convert I95.81 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to I95.81:

R55  Syncope and collapse

  • R55 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM R55 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of R55 – other international versions of ICD-10 R55 may differ.

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-)

The following code(s) above R55 contain annotation back-references

 that may be applicable to R55:

  • R00-R99  Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Approximate Synonyms

  • Micturition syncope
  • Micturition syncope (fainting while urinating)
  • Near syncope
  • Near syncope (almost fainted)
  • Syncope
  • Syncope (fainting), vasovagal
  • Syncope (loss of consciousness, fainting)
  • Syncope and collapse (fainting)
  • Transient loss of consciousness
  • Vasovagal syncope

Clinical Information

  • A disorder characterized by spontaneous loss of consciousness caused by insufficient blood supply to the brain.
  • A spontaneous loss of consciousness caused by insufficient blood supply to the brain.
  • A spontaneous loss of consciousness caused by insufficient blood to the brain.
  • A transient loss of consciousness and postural tone caused by diminished blood flow to the brain (i.e., brain ischemia). Presyncope refers to the sensation of lightheadedness and loss of strength that precedes a syncopal event or accompanies an incomplete syncope. (from Adams et al., Principles of Neurology, 6th ed, pp367-9)
  • Extremely weak; threatened with syncope.
  • Fainting due to a sudden fall of blood pressure below the level required to maintain oxygenation of brain tissue.
  • If you’ve ever fainted, you are not alone – at least one third of people faint sometime in their lives. Fainting is a temporary loss of consciousness. You lose muscle control at the same time, and may fall down. Most people recover quickly and completely. Fainting usually happens when your blood pressure drops suddenly, causing a decrease in blood flow to your brain. This is more common in older people. Some causes of fainting include
    • heat or dehydration
    • emotional distress
    • standing up too quickly
    • certain medicines
    • drop in blood sugar
    • heart problems
    fainting is usually nothing to worry about, but it can sometimes be a sign of a serious problem. If you faint, it’s important to see your health care provider and find out why it happened.
  • Loss of consciousness due to a reduction in blood pressure that is associated with an increase in vagal tone and peripheral vasodilation.

ICD-10-CM R55 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 312 Syncope and collapse

Convert R55 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to R55:

Diagnosis Index entries containing back-references to R55:

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