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ICD-10-CM Codes
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I00-I99
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I70-I79
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I70-
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2023 ICD-10-CM Diagnosis Code I70.203
2023 ICD-10-CM Diagnosis Code I70.203
Unspecified atherosclerosis of native arteries of extremities, bilateral legs
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Adult Dx (15-124 years)
- I70.203 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Unsp athscl native arteries of extremities, bilateral legs
- The 2023 edition of ICD-10-CM I70.203 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I70.203 - other international versions of ICD-10 I70.203 may differ.
ICD-10-CM Coding Rules
- I70.203 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above
I70.203 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
I70.203:
- I00-I99
2023 ICD-10-CM Range I00-I99
Diseases of the circulatory systemType 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.-)
- 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)
- I70.2
ICD-10-CM Diagnosis Code I70.2
Atherosclerosis of native arteries of the extremities
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Applicable To- Mönckeberg's (medial) sclerosis
Use Additional- code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
- Atherosclerosis of bilateral legs
- Atherosclerosis of both leg native arteries
- Bilateral atherosclerosis of arteries of lower limbs
ICD-10-CM I70.203 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 I70.203 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
- 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)
- 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 2023 Billable/Specific Code Adult Dx (15-124 years)
ICD-10-CM Codes Adjacent To I70.203
I69.992 Facial weakness following unspecified cerebrovascular disease
I69.993 Ataxia following unspecified cerebrovascular disease
I69.998 Other sequelae following unspecified cerebrovascular disease
I70.0 Atherosclerosis of aorta
I70.1 Atherosclerosis of renal artery
I70.2 Atherosclerosis of native arteries of the extremities
I70.20 Unspecified atherosclerosis of native arteries of extremities
I70.203
…… bilateral legs
I70.21 Atherosclerosis of native arteries of extremities with intermittent claudication
I70.22 Atherosclerosis of native arteries of extremities with rest pain
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
