2019 ICD-10-CM Diagnosis Code I70.491

Other atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
  • I70.491 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Oth athscl autologous vein bypass of the extrm, right leg
  • The 2019 edition of ICD-10-CM I70.491 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of I70.491 - other international versions of ICD-10 I70.491 may differ.
ICD-10-CM Coding Rules
  • I70.491 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I70.491 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 I70.491:
  • I00-I99
    2019 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 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
  • I70.4
    ICD-10-CM Diagnosis Code I70.4

    Atherosclerosis of autologous vein bypass graft(s) of the extremities

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Use Additional
    • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
    Atherosclerosis of autologous vein bypass graft(s) of the extremities
ICD-10-CM I70.491 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc

Convert I70.491 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

Diagnosis Index entries containing back-references to I70.491:
  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
    ICD-10-CM Diagnosis Code I70.90

    Unspecified atherosclerosis

      2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
    • extremities (native arteries) I70.209
      ICD-10-CM Diagnosis Code I70.209

      Unspecified atherosclerosis of native arteries of extremities, unspecified extremity

        2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
      • bypass graft I70.309
        ICD-10-CM Diagnosis Code I70.309

        Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities, unspecified extremity

          2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
        • autologous vein graft I70.409
          ICD-10-CM Diagnosis Code I70.409

          Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity

            2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
          • leg I70.409
            ICD-10-CM Diagnosis Code I70.409

            Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity

              2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
            • right I70.401
              ICD-10-CM Diagnosis Code I70.401

              Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg

                2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
              • specified type NEC I70.491

ICD-10-CM Codes Adjacent To I70.491
I70.448 …… of other part of lower leg
I70.449 …… of unspecified site
I70.45 Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
I70.46 Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene
I70.461 …… right leg
I70.462 …… left leg
I70.463 …… bilateral legs
I70.468 …… other extremity
I70.469 …… unspecified extremity
I70.49 Other atherosclerosis of autologous vein bypass graft(s) of the extremities
I70.491 …… right leg
I70.492 …… left leg
I70.493 …… bilateral legs
I70.498 …… other extremity
I70.499 …… unspecified extremity
I70.5 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
I70.50 Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremities
I70.501 …… right leg
I70.502 …… left leg
I70.503 …… bilateral legs
I70.508 …… other extremity

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.