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ICD-10-CM 2027 diagnosis code

I82.C2Chronic embolism and thrombosis of internal jugular vein

Not billable — use a more specific code

I82.C2 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About I82.C2

I82.C2 is the ICD-10-CM diagnosis code for chronic embolism and thrombosis of internal jugular vein. It belongs to category I82 (other venous embolism and thrombosis), block I80-I89 (diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified) and chapter 9 (diseases of the circulatory system). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.

Within I82.C (embolism and thrombosis of internal jugular vein), I82.C2 is specifically for chronic embolism and thrombosis of internal jugular vein. Related codes cover acute embolism and thrombosis of internal jugular vein (I82.C1).

To report this condition, pick the subcode that matches the documentation: I82.C21 (vein), I82.C22 (vein), I82.C23 (bilateral) and I82.C29 (vein).

Code first venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) and pregnancy, childbirth and the puerperium (O22.-, O87.-).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under I82.C2

Notes that apply from higher levels

Instructions written at a parent level also apply to I82.C2.

› From I82 Other venous embolism and thrombosis
Excludes2
  • 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
  • venous embolism and thrombosis complicating:
  • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
  • pregnancy, childbirth and the puerperium (O22.-, O87.-)

Broader instructions also apply from Chapter 9: Diseases of the circulatory system.

Alphabetic index entries

2 entries

Terms in the official ICD-10-CM index that lead to I82.C2.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about I82.C2

Is I82.C2 billable?

No. I82.C2 is a header code. Report one of its more specific subcodes instead.