2023

  1. ICD-10-CM Codes
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  2. I00-I99
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  3. I70-I79
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  4. I70-
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  5. 2023 ICD-10-CM Diagnosis Code I70.312

2023 ICD-10-CM Diagnosis Code I70.312

Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication, left leg

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Adult Dx (15-124 years)
  • I70.312 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Athscl unsp type bypass of extrm w intrmt claud, left leg
  • The 2023 edition of ICD-10-CM I70.312 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I70.312 - other international versions of ICD-10 I70.312 may differ.
ICD-10-CM Coding Rules
  • I70.312 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I70.312 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 I70.312:
  • 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
  • I70
    ICD-10-CM Diagnosis Code I70

    Atherosclerosis

      2016 2017 2018 2019 2020 2021 2022 2023 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
  • I70.3
    ICD-10-CM Diagnosis Code I70.3

    Atherosclerosis of unspecified type of bypass graft(s) of the extremities

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • embolism or thrombus of bypass graft(s) of extremities (T82.8-)
    Use Additional
    • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
    Atherosclerosis of unspecified type of bypass graft(s) of the extremities
Approximate Synonyms
  • Atherosclerosis of left leg bypass graft with intermittent claudication
  • Intermittent claudication of left lower limb co-occurrent and due to atherosclerosis of bypass graft
ICD-10-CM I70.312 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 I70.312 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 I70.312:
  • Includes: I70.34
    ICD-10-CM Diagnosis Code I70.34

    Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • any condition classifiable to I70.312 and I70.322
    • chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
    • critical limb ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
    Use Additional
    • code to identify severity of ulcer (L97.-)

Diagnosis Index entries containing back-references to I70.312:
  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
    ICD-10-CM Diagnosis Code I70.90

    Unspecified atherosclerosis

      2016 2017 2018 2019 2020 2021 2022 2023 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 2020 2021 2022 2023 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 2020 2021 2022 2023 Billable/Specific Code Adult Dx (15-124 years)
        • leg 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 2020 2021 2022 2023 Billable/Specific Code Adult Dx (15-124 years)
          • left I70.302
            ICD-10-CM Diagnosis Code I70.302

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

              2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Adult Dx (15-124 years)
            • with
              • intermittent claudication I70.312

ICD-10-CM Codes Adjacent To I70.312
I70.299 …… unspecified extremity
I70.3 Atherosclerosis of unspecified type of bypass graft(s) of the extremities
I70.30 Unspecified atherosclerosis of unspecified type of bypass graft(s) of the extremities
I70.301 …… right leg
I70.302 …… left leg
I70.303 …… bilateral legs
I70.308 …… other extremity
I70.309 …… unspecified extremity
I70.31 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with intermittent claudication
I70.311 …… right leg
I70.312 …… left leg
I70.313 …… bilateral legs
I70.318 …… other extremity
I70.319 …… unspecified extremity
I70.32 Atherosclerosis of unspecified type of bypass graft(s) of the extremities with rest pain
I70.321 …… right leg
I70.322 …… left leg
I70.323 …… bilateral legs
I70.328 …… other extremity
I70.329 …… unspecified extremity
I70.33 Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration

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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