I82.C21 ICD-10-CM Code: Chronic embolism and thrombosis of right internal jugular vein
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 299 — PERIPHERAL VASCULAR DISORDERS WITH MCC (MDC 05)
- MS-DRG 300 — PERIPHERAL VASCULAR DISORDERS WITH CC (MDC 05)
- MS-DRG 301 — PERIPHERAL VASCULAR DISORDERS WITHOUT CC/MCC (MDC 05)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Risk Adjustment (CMS-HCC)
Payment categories this diagnosis maps to under CMS-HCC V28, payment year 2026.
- HCC 267 — Deep Vein Thrombosis and Pulmonary Embolism
Other models: CMS-HCC V22 HCC 108 · RxHCC V08 HCC 215
Risk scores depend on the enrollee's full accepted diagnosis set and segment; a category mapping alone does not determine payment.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I82.C21 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- venous embolism and thrombosis (of):
- cerebral (I63.6, I67.6)
- coronary (I21-I25)
- intracranial and intraspinal, septic or NOS (G08)
- intracranial, nonpyogenic (I67.6)
- intraspinal, nonpyogenic (G95.1)
- mesenteric (K55.0-)
- portal (I81)
- pulmonary (I26.-)
Code First
Underlying conditions that must be sequenced before this code.
- venous embolism and thrombosis complicating:
- abortion, ectopic or molar pregnancy (O00-O07, O08.7)
- pregnancy, childbirth and the puerperium (O22.-, O87.-)
Nearest Codes in This Family
Official ICD-10-CM classifications closest to I82.C21 in its code family, with their registry titles.
- I82.B29 — Chronic embolism and thrombosis of unspecified subclavian vein
- I82.C — Embolism and thrombosis of internal jugular vein
- I82.C1 — Acute embolism and thrombosis of internal jugular vein
- I82.C11 — Acute embolism and thrombosis of right internal jugular vein
- I82.C12 — Acute embolism and thrombosis of left internal jugular vein
- I82.C13 — Acute embolism and thrombosis of internal jugular vein, bilateral
- I82.C19 — Acute embolism and thrombosis of unspecified internal jugular vein
- I82.C2 — Chronic embolism and thrombosis of internal jugular vein
- I82.C22 — Chronic embolism and thrombosis of left internal jugular vein
- I82.C23 — Chronic embolism and thrombosis of internal jugular vein, bilateral