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ICD10BillableValid for clinical use

ICD-10 Code I70.798: Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity

I70.798 is a billable ICD-10 diagnosis code used to classify Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

  • May be used when a clinician documents other atherosclerosis of other type of bypass graft(s) of the extremities, other extremity in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
9Diseases of the circulatory system (I00-I99)
block
I70-I79Diseases of arteries, arterioles and capillaries
category
I70Atherosclerosis
category
I70.7Atherosclerosis of other type of bypass graft(s) of the extremities
category
I70.79Other atherosclerosis of other type of bypass graft(s) of the extremities
currentI70.79

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

CardiologistGeneral Physician

Coverage-related procedures and services

CPT 78492high
MYOCARDIAL IMAGING, POSITRON EMISSION TOMOGRAPHY (PET), PERFUSION STUDY (INCLUDING VENTRICULAR WALL MOTION[S] AND/OR EJECTION FRACTION[S], WHEN PERFORMED); MULTIPLE STUDIES AT REST AND STRESS (EXERCISE OR PHARMACOLOGIC)
Source: CMS coverage guidance
CPT 78431high
MYOCARDIAL IMAGING, POSITRON EMISSION TOMOGRAPHY (PET), PERFUSION STUDY (INCLUDING VENTRICULAR WALL MOTION[S] AND/OR EJECTION FRACTION[S], WHEN PERFORMED); MULTIPLE STUDIES AT REST AND STRESS (EXERCISE OR PHARMACOLOGIC), WITH CONCURRENTLY ACQUIRED COMPUTED TOMOGRAPHY TRANSMISSION SCAN
Source: CMS coverage guidance
CPT 78491high
MYOCARDIAL IMAGING, POSITRON EMISSION TOMOGRAPHY (PET), PERFUSION STUDY (INCLUDING VENTRICULAR WALL MOTION[S] AND/OR EJECTION FRACTION[S], WHEN PERFORMED); SINGLE STUDY, AT REST OR STRESS (EXERCISE OR PHARMACOLOGIC)
Source: CMS coverage guidance
CPT 78454high
MYOCARDIAL PERFUSION IMAGING, PLANAR (INCLUDING QUALITATIVE OR QUANTITATIVE WALL MOTION, EJECTION FRACTION BY FIRST PASS OR GATED TECHNIQUE, ADDITIONAL QUANTIFICATION, WHEN PERFORMED); MULTIPLE STUDIES, AT REST AND/OR STRESS (EXERCISE OR PHARMACOLOGIC) AND/OR REDISTRIBUTION AND/OR REST REINJECTION
Source: CMS coverage guidance
CPT 78453high
MYOCARDIAL PERFUSION IMAGING, PLANAR (INCLUDING QUALITATIVE OR QUANTITATIVE WALL MOTION, EJECTION FRACTION BY FIRST PASS OR GATED TECHNIQUE, ADDITIONAL QUANTIFICATION, WHEN PERFORMED); SINGLE STUDY, AT REST OR STRESS (EXERCISE OR PHARMACOLOGIC)
Source: CMS coverage guidance
CPT 78452high
MYOCARDIAL PERFUSION IMAGING, TOMOGRAPHIC (SPECT) (INCLUDING ATTENUATION CORRECTION, QUALITATIVE OR QUANTITATIVE WALL MOTION, EJECTION FRACTION BY FIRST PASS OR GATED TECHNIQUE, ADDITIONAL QUANTIFICATION, WHEN PERFORMED); MULTIPLE STUDIES, AT REST AND/OR STRESS (EXERCISE OR PHARMACOLOGIC) AND/OR REDISTRIBUTION AND/OR REST REINJECTION
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Other atherosclerosis of other type of bypass graft(s) of the extremities, other extremityOther atherosclerosis of other type of bypass graftOther atherosclerosis of other type of bypass graft s of the extremities, other extremity

Frequently asked questions

Code details

CodeI70.798
SystemICD10
Display nameOther atherosclerosis of other type of bypass graft(s) of the extremities, other extremity
ChapterDiseases of the circulatory system (I00-I99)
BlockDiseases of arteries, arterioles and capillaries

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Arteriosclerosis, arteriosclerotic(diffuse) (obliterans) (of) (senile) (with calcification)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.