I77.1 — Stricture of artery

Billable

Is I77.1 billable?

Yes — I77.1 is billable for FY2027. I77.1 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I77.1 may be submitted for encounters from October 1, 2026 through September 30, 2027.

I77.1 at a glance

Code	I77.1
Description	Stricture of artery
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does I77.1 group to?

I77.1 sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

299Peripheral Vascular Disorders with MCCmedical
300Peripheral Vascular Disorders with CCmedical
301Peripheral Vascular Disorders without CC/MCCmedical

How is I77.1 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to I77.1. They show the wording a clinician may have documented, which often differs from the Tabular description.

Compression › artery
Disease, diseased › obliterative vascular
Insufficiency, insufficient › arterial
Kink, kinking › artery
Narrowing › artery
Obliteration › artery
Obliteration › disease, arteriolar
Stenosis, stenotic › artery NEC (cicatricial)
Stricture › artery
Torsion › aorta, acquired
Tortuous › artery
Disease, diseased › vascular › obliterative

Inclusion terms

Alternative wording in documentation that is classified to I77.1.

Narrowing of artery

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I77.1, but a patient may have both at the same time. When documentation supports it, I77.1 and the excluded code may both be reported.

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.-)

Excludes2 — not included here — inherited from I77

The conditions below are not part of I77.1, but a patient may have both at the same time. When documentation supports it, I77.1 and the excluded code may both be reported.

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

How long has I77.1 existed?

I77.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.