2023

  1. ICD-10-CM Codes
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  2. I00-I99
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  3. I70-I79
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  5. 2023 ICD-10-CM Diagnosis Code I77.74

2023 ICD-10-CM Diagnosis Code I77.74

Dissection of vertebral artery

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • I77.74 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 I77.74 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I77.74 - other international versions of ICD-10 I77.74 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 (I77.74) and the excluded code together.
  • aneurysm of vertebral artery (
    ICD-10-CM Diagnosis Code I72.6

    Aneurysm of vertebral artery

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 2 Excludes
    • dissection of vertebral artery (I77.74)
    I72.6
    )
The following code(s) above I77.74 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 I77.74:
  • I00-I99
    2023 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • transient cerebral ischemic attacks and related syndromes (G45.-)
    Diseases of the circulatory system
  • I77
    ICD-10-CM Diagnosis Code I77

    Other disorders of arteries and arterioles

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • collagen (vascular) diseases (M30-M36)
    • hypersensitivity angiitis (M31.0)
    • pulmonary artery (I28.-)
    Other disorders of arteries and arterioles
  • I77.7
    ICD-10-CM Diagnosis Code I77.7

    Other arterial dissection

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • dissection of aorta (I71.0-)
    • dissection of coronary artery (I25.42)
    Other arterial dissection
Approximate Synonyms
  • Bilateral vertebral artery dissection
  • Dissection of bilateral vertebral arteries
  • Dissection of left vertebral artery
  • Dissection of right vertebral artery
  • Left vertebral artery dissection
  • Right vertebral artery dissection
  • Vertebral artery dissection
Clinical Information
  • Splitting of the vessel wall in the vertebral artery. Interstitial hemorrhage into the media of the vessel wall can lead to occlusion of the vertebral artery, aneurysm formation, or thromboembolism. Vertebral artery dissection is often associated with trauma and injuries to the head-neck region but can occur spontaneously.
ICD-10-CM I77.74 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc

Convert I77.74 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 I77.74:
  • Type 2 Excludes: I72
    , I72.5
    , I72.6
    , I77.75
    ICD-10-CM Diagnosis Code I72

    Other aneurysm

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • aneurysm (cirsoid) (false) (ruptured)
    Type 2 Excludes
    • acquired aneurysm (I77.0)
    • aneurysm (of) aorta (I71.-)
    • aneurysm (of) arteriovenous NOS (Q27.3-)
    • carotid artery dissection (I77.71)
    • cerebral (nonruptured) aneurysm (I67.1)
    • coronary aneurysm (I25.4)
    • coronary artery dissection (I25.42)
    • dissection of artery NEC (I77.79)
    • dissection of precerebral artery, congenital (nonruptured) (Q28.1)
    • heart aneurysm (I25.3)
    • iliac artery dissection (I77.72)
    • precerebral artery, congential (nonruptured) (Q28.1)
    • pulmonary artery aneurysm (I28.1)
    • renal artery dissection (I77.73)
    • retinal aneurysm (H35.0)
    • ruptured cerebral aneurysm (I60.7)
    • varicose aneurysm (I77.0)
    • vertebral artery dissection (I77.74)
    ICD-10-CM Diagnosis Code I72.5

    Aneurysm of other precerebral arteries

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Aneurysm of basilar artery (trunk)
    Type 2 Excludes
    • aneurysm of carotid artery (I72.0)
    • aneurysm of vertebral artery (I72.6)
    • dissection of carotid artery (I77.71)
    • dissection of other precerebral arteries (I77.75)
    • dissection of vertebral artery (I77.74)
    ICD-10-CM Diagnosis Code I72.6

    Aneurysm of vertebral artery

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 2 Excludes
    • dissection of vertebral artery (I77.74)
    ICD-10-CM Diagnosis Code I77.75

    Dissection of other precerebral arteries

      2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Dissection of basilar artery (trunk)
    Type 2 Excludes
    • aneurysm of carotid artery (I72.0)
    • aneurysm of other precerebral arteries (I72.5)
    • aneurysm of vertebral artery (I72.6)
    • dissection of carotid artery (I77.71)
    • dissection of vertebral artery (I77.74)

Diagnosis Index entries containing back-references to I77.74:
  • Dissection
    • artery I77.70
      ICD-10-CM Diagnosis Code I77.70

      Dissection of unspecified artery

        2017 - New Code 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • vertebral I77.74

ICD-10-CM Codes Adjacent To I77.74
I77.2 Rupture of artery
I77.3 Arterial fibromuscular dysplasia
I77.4 Celiac artery compression syndrome
I77.5 Necrosis of artery
I77.6 Arteritis, unspecified
I77.7 Other arterial dissection
I77.70 Dissection of unspecified artery
I77.71 Dissection of carotid artery
I77.72 Dissection of iliac artery
I77.73 Dissection of renal artery
I77.74 Dissection of vertebral artery
I77.75 Dissection of other precerebral arteries
I77.76 Dissection of artery of upper extremity
I77.77 Dissection of artery of lower extremity
I77.79 Dissection of other specified artery
I77.8 Other specified disorders of arteries and arterioles
I77.81 Aortic ectasia
I77.810 Thoracic aortic ectasia
I77.811 Abdominal aortic ectasia
I77.812 Thoracoabdominal aortic ectasia
I77.819 …… unspecified site

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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