I77.3 Arterial fibromuscular dysplasia

Billable ICD-10-CM code, FY2026.

Applicable to

• Fibromuscular hyperplasia (of) carotid artery
• Fibromuscular hyperplasia (of) renal artery

Applies from I77 Other disorders of arteries and arterioles

Excludes2 (not included here)

• collagen (vascular) diseases (M30-M36)
• hypersensitivity angiitis (M31.0)
• pulmonary artery (I28.-)

Risk adjustment (HCC)

• CMS-HCC V22: HCC 108 — Vascular Disease
• ESRD V24: HCC 108

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 447.3 Hyperplasia of renal artery (approximate)
• 447.8 Other specified disorders of arteries and arterioles (approximate)

Diagnosis Index entries for I77.3

• Dysplasia › arterial, fibromuscular
• Hyperplasia, hyperplastic › artery, fibromuscular
• Hyperplasia, hyperplastic › fibromuscular of artery (carotid) (renal)

Nearby codes

• I77 Other disorders of arteries and arterioles
• I77.0 Arteriovenous fistula, acquired
• I77.1 Stricture of artery
• I77.2 Rupture of artery
• I77.3 Arterial fibromuscular dysplasia (this code)
• I77.4 Celiac artery compression syndrome
• I77.5 Necrosis of artery
• I77.6 Arteritis, unspecified
• I77.7 Other arterial dissection
• I77.70 Dissection of unspecified artery