ICD-10 I67.858
Billable / Specific CCOther hereditary cerebrovascular disease
About ICD-10-CM I67.858
ICD-10-CM code I67.858 represents Other hereditary cerebrovascular disease. This is a billable/specific code in the Circulatory System chapter (block I67). The 2026 edition of ICD-10-CM I67.858 became effective on October 1, 2025.
Coding Tips for I67.858
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
I67.858 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Other hereditary cerebrovascular disease. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for I67.858
Local Coverage Determinations (LCDs) from CMS MACs that list I67.858 as a covered diagnosis.
Showing top 10 of 589 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I67.858.
5 Medicare
Codes Adjacent To I67.858
Other codes in section I60-I69 (Cerebrovascular diseases).
ICD-10 I67.858, Billing FAQ
Is ICD-10 code I67.858 billable? +
Yes, I67.858 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is I67.858 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with I67.858? +
Procedures frequently paired with I67.858 include: 61650, 61651.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team