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I82.C21 vs I82.C29

I82.C21 (Chronic embolism and thrombosis of right internal jugular vein) compared with I82.C29 (Chronic embolism and thrombosis of unspecified internal jugular vein), from the official CMS tabular data. I82.C21 and I82.C29 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

I82.C21
Right
Chronic embolism and thrombosis of right internal jugular vein
I82.C29
Unspecified
Chronic embolism and thrombosis of unspecified internal jugular vein

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. I82.C21 and I82.C29 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

I82.C21Chronic embolism and thrombosis of right internal jugular veinI82.C29Chronic embolism and thrombosis of unspecified internal jugular vein
Billing statusBillableBillable
ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)I00-I99 — Diseases of the Circulatory System (I00-I99)
DefinitionChronic embolism and thrombosis of right internal jugular vein is a billable ICD-10-CM diagnosis code (I82.C21).Chronic embolism and thrombosis of unspecified internal jugular vein is a billable ICD-10-CM diagnosis code (I82.C29).
Code first
venous embolism and thrombosis complicating:
abortion, ectopic or molar pregnancy (O00-O07, O08.7)
venous embolism and thrombosis complicating:
abortion, ectopic or molar pregnancy (O00-O07, O08.7)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources