2017/18 ICD-10-CM Diagnosis Code I70.521

Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain, right leg

ICD-10-CM Coding Rules
The following code(s) above I70.521 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 I70.521:
  • I00-I99
    2018 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 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
  • I70.5
    ICD-10-CM Diagnosis Code I70.5

    Atherosclerosis of nonautologous biological bypass graft(s) of the extremities

      2016 2017 2018 Non-Billable/Non-Specific Code
    Use Additional
    • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
    Atherosclerosis of nonautologous biological bypass graft(s) of the extremities
  • I70.52
    ICD-10-CM Diagnosis Code I70.52

    Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • any condition classifiable to I70.51-
    Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
ICD-10-CM I70.521 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I70.521 to ICD-9-CM

Code History
Code annotations containing back-references to I70.521:

Diagnosis Index entries containing back-references to I70.521:

ICD-10-CM Codes Adjacent To I70.521
I70.503 …… bilateral legs
I70.508 …… other extremity
I70.509 …… unspecified extremity
I70.51 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudication
I70.511 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, right leg
I70.512 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, left leg
I70.513 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, bilateral legs
I70.518 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, other extremity
I70.519 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
I70.52 Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
I70.521 …… right leg
I70.522 …… left leg
I70.523 …… bilateral legs
I70.528 …… other extremity
I70.529 …… unspecified extremity
I70.53 Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration
I70.531 …… of thigh
I70.532 …… of calf
I70.533 …… of ankle
I70.534 …… of heel and midfoot
I70.535 …… 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.