I80.25
Phlebitis and thrombophlebitis of calf muscular vein
I80.25 is a non-billable ICD-10-CM code header for phlebitis and thrombophlebitis of calf muscular vein. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I80.251 Phlebitis and thrombophlebitis of right calf muscular vein; I80.252 Phlebitis and thrombophlebitis of left calf muscular vein; I80.253 Phlebitis and thrombophlebitis of calf muscular vein, bilateral and I80.259 Phlebitis and thrombophlebitis of unspecified calf muscular vein. Its coding notes include a Code first instruction, 1 Excludes1 entry and 10 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (10 notes)
- 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.-)
Includes
Further defines or gives examples of the content of the category.
- endophlebitis
- inflammation, vein
- periphlebitis
- suppurative phlebitis
Inclusion terms
Conditions classified to this code.
- Phlebitis and thrombophlebitis of calf muscular vein, NOS
- Phlebitis and thrombophlebitis of gastrocnemial vein
- Phlebitis and thrombophlebitis of soleal vein
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 6 entries
- Phlebitis (infective) (pyemic) (septic) (suppurative), calf muscular vein (NOS)
- Phlebitis (infective) (pyemic) (septic) (suppurative), gastrocnemial vein
- Phlebitis (infective) (pyemic) (septic) (suppurative), soleal vein
- Thrombophlebitis, calf muscular vein (NOS)
- Thrombophlebitis, gastrocnemial vein
- Thrombophlebitis, soleal vein
More specific codes under I80.25 4
- I80.251Phlebitis and thrombophlebitis of right calf muscular veinBillable
- I80.252Phlebitis and thrombophlebitis of left calf muscular veinBillable
- I80.253Phlebitis and thrombophlebitis of calf muscular vein, bilateralBillable
- I80.259Phlebitis and thrombophlebitis of unspecified calf muscular veinBillable