I77

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Other disorders of arteries and arterioles

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • collagen (vascular) diseases (M30-M36)
  • hypersensitivity angiitis (M31.0)
  • pulmonary artery (I28.-)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I70-I79Diseases of arteries, arterioles and capillaries (I70-I79)
I77Other disorders of arteries and arteriolesNot billable
I77.0Arteriovenous fistula, acquiredBillable
I77.1Stricture of arteryBillable
I77.2Rupture of arteryBillable
I77.3Arterial fibromuscular dysplasiaBillable
I77.4Celiac artery compression syndromeBillable
I77.5Necrosis of arteryBillable
I77.6Arteritis, unspecifiedBillable
I77.7Other arterial dissectionSubcodes
I77.8Other specified disorders of arteries and arteriolesSubcodes
I77.9Disorder of arteries and arterioles, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I77:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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