ICD-10-CM Alphabetic Index · FY 2026 53 Entries
Thrombophlebitis in the ICD-10-CM Index ICD-10-CM
The main term Thrombophlebitis carries 53 index entries pointing to 24 ICD-10-CM codes. The default entry is I80.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
53
Index Entries
24
Codes Referenced
I80.9
Default Code
T
Letter
53 of 53 shown
ICD-10-CM
Index Entries Under Thrombophlebitis 53 entries · 24 codes
Thrombophlebitis I80.9
antepartum O22.2 Non-billable
deep O22.3 Non-billable
superficial O22.2 Non-billable
calf muscular vein (NOS) I80.25 Non-billable
cavernous (venous) sinus G08
complicating pregnancy O22.5 Non-billable
nonpyogenic I67.6
cerebral (sinus) (vein) G08
nonpyogenic I67.6
sequelae G09
due to implanted device see Complications, by site and type, specified NEC
during or resulting from a procedure NEC T81.72 Non-billable
femoral vein (superficial) I80.1 Non-billable
femoropopliteal vein I80.0 Non-billable
gastrocnemial vein I80.25 Non-billable
hepatic (vein) I80.8
idiopathic, recurrent I82.1
iliac vein (common) (external) (internal) I80.21 Non-billable
iliofemoral I80.1 Non-billable
intracranial venous sinus (any) G08
nonpyogenic I67.6
sequelae G09
intraspinal venous sinuses and veins G08
nonpyogenic G95.19
lateral (venous) sinus G08
nonpyogenic I67.6
leg I80.3
superficial I80.0 Non-billable
longitudinal (venous) sinus G08
nonpyogenic I67.6
lower extremity I80.299
migrans, migrating I82.1
pelvic
with ectopic or molar pregnancy O08.0
following ectopic or molar pregnancy O08.0
puerperal O87.1
peroneal vein I80.24 Non-billable
popliteal vein see Phlebitis, leg, deep, popliteal
portal (vein) K75.1
postoperative T81.72 Non-billable
pregnancy see Thrombophlebitis, antepartum
puerperal, postpartum, childbirth O87.0
deep O87.1
pelvic O87.1
septic O86.81
superficial O87.0
saphenous (greater) (lesser) I80.0 Non-billable
sinus (intracranial) G08
nonpyogenic I67.6
soleal vein I80.25 Non-billable
specified site NEC I80.8
tibial vein (anterior) (posterior) I80.23 Non-billable
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
