I80.2 – Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities

ICD-10-CM 2027 diagnosis code · Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

Non-billable header

ICD-10-CM code I80.2

Code: I80.2 (claims format: I802)
Description: Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
Short description: Phlbts and thombophlb of and unsp deep vessels of low extrm
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
Parent codes: I80

Billable codes under I80.2

I80.2 is a header code and cannot be used on claims. Choose the most specific code:

I80.20 – Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremitiesHeader (more codes below)
I80.21 – Phlebitis and thrombophlebitis of iliac veinHeader (more codes below)
I80.22 – Phlebitis and thrombophlebitis of popliteal veinHeader (more codes below)
I80.23 – Phlebitis and thrombophlebitis of tibial veinHeader (more codes below)
I80.24 – Phlebitis and thrombophlebitis of peroneal veinHeader (more codes below)
I80.25 – Phlebitis and thrombophlebitis of calf muscular veinHeader (more codes below)
I80.29 – Phlebitis and thrombophlebitis of other deep vessels of lower extremitiesHeader (more codes below)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I80 – Phlebitis and thrombophlebitis

Includes:

endophlebitis
inflammation, vein
periphlebitis
suppurative phlebitis

Excludes1 (not coded here):

venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)

Code first:

, if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7)
phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)

Related codes in I80

Frequently asked questions

What is ICD-10 code I80.2?

I80.2 is the ICD-10-CM code for phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities, in the block I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).

Is I80.2 a billable code?

No. I80.2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does I80.2 belong to?

It belongs to category I80 – Phlebitis and thrombophlebitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.