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I67.850BillableSave

I67.850 - Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy

ICD-10-CM Chapter 9: Diseases of the circulatory system · I60-I69 Cerebrovascular diseases (I60-I69) · Subcategory of I67.85 · FY2027

Applicable To

Inclusion terms listed under I67.850 in the ICD-10-CM tabular list.

  • CADASIL

Includes, Excludes and Coding Notes

Code AlsoFrom I67.850

Report an additional code when both conditions apply.

  • any associated diagnoses, such as:
  • epilepsy (G40.-)
  • stroke (I63.-)
  • vascular dementia (F01.-)
Excludes 1 — Not Coded HereFrom I67

Mutually exclusive: these conditions are never reported together with this code.

  • Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)
  • Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)
Excludes 2 — Not Included HereFrom I67

Not part of this code; report both codes when the patient has both conditions.

  • sequelae of the listed conditions (I69.8)
Excludes 1 — Not Coded HereFrom I60-I69 Cerebrovascular diseases (I60-I69)

Mutually exclusive: these conditions are never reported together with this code.

  • traumatic intracranial hemorrhage (S06.-)
Use Additional CodeFrom I60-I69 Cerebrovascular diseases (I60-I69)

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify presence of:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • hypertension (I10-I1A)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
Excludes 2 — Not Included HereFrom Chapter I00-I99

Not part of this code; report both codes when the patient has both conditions.

  • 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.-)

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I67.850.