ICDcodes.org
FY2027

I70.499 — Other atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity

BillableUnspecified

Is I70.499 billable?

Yes, but I70.499 is an unspecified code. I70.499 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, I70.499 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting I70.499 — the more specific alternatives are listed below.

I70.499 at a glance

CodeI70.499
DescriptionOther atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does I70.499 group to?

I70.499 sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 299Peripheral Vascular Disorders with MCCmedical
  • 300Peripheral Vascular Disorders with CCmedical
  • 301Peripheral Vascular Disorders without CC/MCCmedical

How is I70.499 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to I70.499. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Arteriosclerosis, arteriosclerotic › extremities › bypass graft › autologous vein graft › leg › specified type NEC (diffuse) (obliterans) (of) (senile) (with calcification)

Use additional code — inherited from I70

Report an additional code alongside I70.499 to fully describe the condition. I70.499 is sequenced first.

  • 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)

Use additional code — inherited from I70.4

Report an additional code alongside I70.499 to fully describe the condition. I70.499 is sequenced first.

  • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I70.499, but a patient may have both at the same time. When documentation supports it, I70.499 and the excluded code may both be reported.

  • 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.-)

Excludes2 — not included here — inherited from I70

The conditions below are not part of I70.499, but a patient may have both at the same time. When documentation supports it, I70.499 and the excluded code may both be reported.

  • 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)

How long has I70.499 existed?

I70.499 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to I70.499?

What other codes are in the I70.49 family? (4)