2020

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99 Diseases of the circulatory system
    3. ›
  3. I70-I79 Diseases of arteries, arterioles and capillaries
    4. ›
  4. I70- Atherosclerosis
    5. ›
  5. 2020 ICD-10-CM Diagnosis Code I70.8

2020 ICD-10-CM Diagnosis Code I70.8

Atherosclerosis of other arteries

    2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
  • I70.8 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 I70.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of I70.8 - other international versions of ICD-10 I70.8 may differ.
ICD-10-CM Coding Rules
  • I70.8 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I70.8 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 I70.8:
  • I00-I99
    2020 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
  • I70
    ICD-10-CM Diagnosis Code I70

    Atherosclerosis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • arteriolosclerosis
    • arterial degeneration
    • arteriosclerosis
    • arteriosclerotic vascular disease
    • arteriovascular degeneration
    • atheroma
    • endarteritis deformans or obliterans
    • senile arteritis
    • senile endarteritis
    • vascular degeneration
    Type 2 Excludes
    • arteriosclerotic cardiovascular disease (I25.1-)
    • arteriosclerotic heart disease (I25.1-)
    • atheroembolism (I75.-)
    • cerebral atherosclerosis (I67.2)
    • coronary atherosclerosis (I25.1-)
    • mesenteric atherosclerosis (K55.1)
    • precerebral atherosclerosis (I67.2)
    • primary pulmonary atherosclerosis (I27.0)
    Use Additional
    • code to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Atherosclerosis
Approximate Synonyms
  • Aortoiliac atherosclerosis
  • Atherosclerosis of bilateral iliac arteries
  • Atherosclerosis of both iliac arteries
  • Atherosclerosis of left iliac artery
  • Atherosclerosis of right iliac artery
  • Left brachiocephalic artery stenosis
  • Right brachiocephalic artery stenosis
  • Stenosis of left brachiocephalic artery
  • Stenosis of right brachiocephalic artery
ICD-10-CM I70.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc

Convert I70.8 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

Diagnosis Index entries containing back-references to I70.8:
  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
    ICD-10-CM Diagnosis Code I70.90

    Unspecified atherosclerosis

      2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
    • retina I70.8 (vascular)
    • specified artery NEC I70.8
  • Retinopathy (background) H35.00
    ICD-10-CM Diagnosis Code H35.00

    Unspecified background retinopathy

      2016 2017 2018 2019 2020 Billable/Specific Code
    • arteriosclerotic I70.8
    • atherosclerotic I70.8

ICD-10-CM Codes Adjacent To I70.8
I70.762 …… left leg
I70.763 …… bilateral legs
I70.768 …… other extremity
I70.769 …… unspecified extremity
I70.79 Other atherosclerosis of other type of bypass graft(s) of the extremities
I70.791 …… right leg
I70.792 …… left leg
I70.793 …… bilateral legs
I70.798 …… other extremity
I70.799 …… unspecified extremity
I70.8 Atherosclerosis of other arteries
I70.9 Other and unspecified atherosclerosis
I70.90 Unspecified atherosclerosis
I70.91 Generalized atherosclerosis
I70.92 Chronic total occlusion of artery of the extremities
I71 Aortic aneurysm and dissection
I71.0 Dissection of aorta
I71.00 Dissection of unspecified site of aorta
I71.01 Dissection of thoracic aorta
I71.02 Dissection of abdominal aorta
I71.03 Dissection of thoracoabdominal aorta

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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