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I80.292 vs I80.299

I80.292 (Phlebitis and thrombophlebitis of other deep vessels of left lower extremity) compared with I80.299 (Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity), from the official CMS tabular data. I80.292 and I80.299 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

I80.292
Left
Phlebitis and thrombophlebitis of other deep vessels of left lower extremity
I80.299
Unspecified
Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity

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. I80.292 and I80.299 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

I80.292Phlebitis and thrombophlebitis of other deep vessels of left lower extremityI80.299Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity
Billing statusBillableBillable
ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)I00-I99 — Diseases of the Circulatory System (I00-I99)
DefinitionPhlebitis and thrombophlebitis of other deep vessels of left lower extremity is a billable ICD-10-CM diagnosis code (I80.292).Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity is a billable ICD-10-CM diagnosis code (I80.299).
Includes
endophlebitis
inflammation, vein
periphlebitis
suppurative phlebitis
endophlebitis
inflammation, vein
periphlebitis
suppurative phlebitis
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.-)
, 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.-)

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