2019 ICD-10-CM Diagnosis Code I70.231

Atherosclerosis of native arteries of right leg with ulceration of thigh

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
  • I70.231 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 right leg w ulceration of thigh
  • The 2019 edition of ICD-10-CM I70.231 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of I70.231 - other international versions of ICD-10 I70.231 may differ.
ICD-10-CM Coding Rules
  • I70.231 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I70.231 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 I70.231:
  • 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
  • I70.2
    ICD-10-CM Diagnosis Code I70.2

    Atherosclerosis of native arteries of the extremities

      2016 2017 2018 2019 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
  • I70.23
    ICD-10-CM Diagnosis Code I70.23

    Atherosclerosis of native arteries of right leg with ulceration

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Includes
    Use Additional
    • code to identify severity of ulcer (L97.-)
    Atherosclerosis of native arteries of right leg with ulceration
Approximate Synonyms
  • Atherosclerotic ischemic ulcer of right thigh
  • Atherosclerotic ischemic ulcer of right thigh limited to skin layer
  • Atherosclerotic ischemic ulcer of right thigh with bone necrosis
  • Atherosclerotic ischemic ulcer of right thigh with fat layer exposure
  • Atherosclerotic ischemic ulcer of right thigh with muscle necrosis
  • Atherosclerotic ischemic ulcer of right thigh, bone necrosis
  • Atherosclerotic ischemic ulcer of right thigh, muscle necrosis
  • Atherosclerotic ischemic ulcer of right thigh, skin breakdown
ICD-10-CM I70.231 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 I70.231 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 I70.231:
  • 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)
      • leg 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)
        • right I70.201
          ICD-10-CM Diagnosis Code I70.201

          Unspecified atherosclerosis of native arteries of extremities, right leg

            2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
          • with
            • ulceration (and intermittent claudication and rest pain) I70.239
              ICD-10-CM Diagnosis Code I70.239

              Atherosclerosis of native arteries of right leg with ulceration of unspecified site

                2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
              • thigh I70.231

ICD-10-CM Codes Adjacent To I70.231
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
I70.238 …… of other part of lower right leg
I70.239 …… of unspecified site
I70.24 Atherosclerosis of native arteries of left leg with ulceration
I70.241 …… of thigh
I70.242 …… of calf
I70.243 …… of ankle

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