ICDcodes.org
FY2027

I70.34 — Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration

Not billable

Is I70.34 billable?

No — I70.34 is a non-billable header code. I70.34 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath I70.34.

I70.34 at a glance

CodeI70.34
DescriptionAtherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Use additional code

Report an additional code alongside I70.34 to fully describe the condition. I70.34 is sequenced first.

  • code to identify severity of ulcer (L97.-)

Includes

Conditions classified to I70.34.

  • any condition classifiable to I70.312 and I70.322
  • chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
  • critical limb ischemia of unspecified type of bypass graft(s) of the left leg with ulceration

Excludes1 — never code together — inherited from I70.3

The conditions below can never be reported together with I70.34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • embolism or thrombus of bypass graft(s) of extremities (T82.8-)

Use additional code — inherited from I70

Report an additional code alongside I70.34 to fully describe the condition. I70.34 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 I70.3

Report an additional code alongside I70.34 to fully describe the condition. I70.34 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 I70.34, but a patient may have both at the same time. When documentation supports it, I70.34 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 I70.34, but a patient may have both at the same time. When documentation supports it, I70.34 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)

What codes fall under I70.34? (7)

How long has I70.34 existed?

I70.34 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.

What other codes are in the I70.3 family? (7)