2022 ICD-10-CM Diagnosis Code I70.221

Atherosclerosis of native arteries of extremities with rest pain, right leg

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
  • I70.221 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Athscl native arteries of extremities w rest pain, right leg
  • The 2022 edition of ICD-10-CM I70.221 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of I70.221 - other international versions of ICD-10 I70.221 may differ.
ICD-10-CM Coding Rules
  • I70.221 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I70.221 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 I70.221:
  • I00-I99
    2022 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 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
  • I70.2
    ICD-10-CM Diagnosis Code I70.2

    Atherosclerosis of native arteries of the extremities

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Mönckeberg's (medial) sclerosis
    Type 2 Excludes
    Use Additional
    • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
    Atherosclerosis of native arteries of the extremities
  • I70.22
    ICD-10-CM Diagnosis Code I70.22

    Atherosclerosis of native arteries of extremities with rest pain

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Includes
    • any condition classifiable to I70.21-
    • chronic limb-threatening ischemia NOS of native arteries of extremities
    • chronic limb-threatening ischemia of native arteries of extremities with rest pain
    • critical limb ischemia NOS of native arteries of extremities
    • critical limb ischemia of native arteries of extremities with rest pain
    Atherosclerosis of native arteries of extremities with rest pain
Approximate Synonyms
  • Atherosclerosis of right leg native artery with pain at rest
  • Atherosclerosis of right leg with pain at rest
  • Pain at rest of right lower limb co-occurrent and due to atherosclerosis
ICD-10-CM I70.221 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc

Convert I70.221 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
Code annotations containing back-references to I70.221:
  • Includes: I70.23
    ICD-10-CM Diagnosis Code I70.23

    Atherosclerosis of native arteries of right leg with ulceration

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Includes
    • any condition classifiable to I70.211 and I70.221
    • chronic limb-threatening ischemia of native arteries of right leg with ulceration
    • critical limb ischemia of native arteries of right leg with ulceration
    Use Additional
    • code to identify severity of ulcer (L97.-)

Diagnosis Index entries containing back-references to I70.221:
  • 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 Billable/Specific Code Adult Dx (15-124 years)
    • with
      • critical limb ischemia
        • leg I70.229
          ICD-10-CM Diagnosis Code I70.229

          Atherosclerosis of native arteries of extremities with rest pain, unspecified extremity

            2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
          • right I70.221
            • with
              • rest pain I70.221 (and intermittent claudication)
    • 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 Billable/Specific Code Adult Dx (15-124 years)
      • leg 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 Billable/Specific Code Adult Dx (15-124 years)
        • right I70.201
          ICD-10-CM Diagnosis Code I70.201

          Unspecified atherosclerosis of native arteries of extremities, right leg

            2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Adult Dx (15-124 years)
          • with
            • rest pain I70.221 (and intermittent claudication)

ICD-10-CM Codes Adjacent To I70.221
I70.203 …… bilateral legs
I70.208 …… other extremity
I70.209 …… unspecified extremity
I70.21 Atherosclerosis of native arteries of extremities with intermittent claudication
I70.211 …… right leg
I70.212 …… left leg
I70.213 …… bilateral legs
I70.218 …… other extremity
I70.219 …… unspecified extremity
I70.22 Atherosclerosis of native arteries of extremities with rest pain
I70.221 …… right leg
I70.222 …… left leg
I70.223 …… bilateral legs
I70.228 …… other extremity
I70.229 …… unspecified extremity
I70.23 Atherosclerosis of native arteries of right leg with ulceration
I70.231 …… of thigh
I70.232 …… of calf
I70.233 …… of ankle
I70.234 …… of heel and midfoot
I70.235 …… of other part of foot

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