I67.83 is the authoritative medical code for Posterior reversible encephalopathy syndrome. This classification is used in medical billing and clinical recording to specify the clinical criteria for posterior reversible encephalopathy syndrome (ICD-10-CM I67.83), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Posterior reversible encephalopathy syndrome is a billable ICD-10-CM diagnosis code I67.83. Inclusion terms: PRES. Excludes1 (not coded here): Occlusion and stenosis of cerebral artery causing cerebral infarction I63.3-I63.5-; Occlusion and stenosis of precerebral artery causing cerebral infarction I63.2-; traumatic intracranial hemorrhage S06.-. Excludes2 (not included here): sequelae of the listed conditions I69.8. Use additional code: 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I67.83 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- Occlusion and stenosis of cerebral artery causing cerebral infarction I63.3-I63.5-
- Occlusion and stenosis of precerebral artery causing cerebral infarction I63.2-
- traumatic intracranial hemorrhage S06.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sequelae of the listed conditions I69.8
Use Additional Code
Supplementary codes the tabular list directs you to add.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with I67.83?
Per official ICD-10-CM Excludes1 instructions, I67.83 must not be reported together with: Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-); Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-); traumatic intracranial hemorrhage (S06.-).
Can I67.83 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, I67.83 and the following are not considered part of each other and may both be reported when both conditions are present: sequelae of the listed conditions (I69.8).
Is an additional code needed with I67.83?
Use additional code(s) to specify: code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891).
What conditions are included under I67.83?
Posterior reversible encephalopathy syndrome includes: PRES.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to I67.83 in its code family, with their registry titles.
- I67.6 — Nonpyogenic thrombosis of intracranial venous system
- I67.7 — Cerebral arteritis, not elsewhere classified
- I67.8 — Other specified cerebrovascular diseases
- I67.81 — Acute cerebrovascular insufficiency
- I67.82 — Cerebral ischemia
- I67.84 — Cerebral vasospasm and vasoconstriction
- I67.841 — Reversible cerebrovascular vasoconstriction syndrome
- I67.848 — Other cerebrovascular vasospasm and vasoconstriction
- I67.85 — Hereditary cerebrovascular diseases
- I67.850 — Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
View all 20 codes in the I67 family
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- PRES (posterior reversible encephalopathy syndrome)
- Syndrome, posterior, reversible encephalopathy (PRES)