I82.46

Acute embolism and thrombosis of calf muscular vein

Not billable — category only FY2026 2025-10-01 → 2026-09-30

Exclusions 19 never code together

I82code

Excludes2

venous embolism and thrombosis (of):
cerebral (I63.6, I67.6)I63.6 I67.6
coronary (I21-I25)I21-I25
intracranial and intraspinal, septic or NOS (G08)G08
intracranial, nonpyogenic (I67.6)I67.6
intraspinal, nonpyogenic (G95.1)G95.1
mesenteric (K55.0-)K55.0-
portal (I81)I81
pulmonary (I26.-)I26.-

I00-I99chapter

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
systemic connective tissue disorders (M30-M36)M30-M36
transient cerebral ischemic attacks and related syndromes (G45.-)G45.-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 6

I82code

Code first

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

I82.46code

Inclusion terms

Acute embolism and thrombosis of calf muscular vein, NOS
Acute embolism and thrombosis of gastrocnemial vein
Acute embolism and thrombosis of soleal vein

Index entries leading here 2

Embolism (multiple) (paradoxical) I74.9
- vein (acute) I82.90
  - calf, muscle I82.46
  - gastrocnemial I82.46
  - soleal I82.46
Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) I82.90
- vein (acute) I82.90
  - calf muscular I82.46

Alongside this code 9 same parent — I82.4

I82.40 Acute embolism and thombos unsp deep veins of low extrm category I82.41 Acute embolism and thrombosis of femoral vein category I82.42 Acute embolism and thrombosis of iliac vein category I82.43 Acute embolism and thrombosis of popliteal vein category I82.44 Acute embolism and thrombosis of tibial vein category I82.45 Acute embolism and thrombosis of peroneal vein category I82.49 Acute embolism and thrombosis of deep vein of low extrm category I82.4Y Acute emblsm and thombos unsp deep veins of prox low extrm category I82.4Z Acute emblsm and thombos unsp deep veins of distal low extrm category

Subordinate codes 4

I82.461 Acute embolism and thrombosis of right calf muscular vein I82.462 Acute embolism and thrombosis of left calf muscular vein I82.463 Acute embolism and thombos of calf muscular vein, bilateral I82.469 Acute embolism and thombos unsp calf muscular vein

Medications 2

216 Embolism and Thrombosis drugs 3 Intracranial Embolism and Thrombosis drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

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This code

Billable: no
Code set: FY2026
Parent: I82.4
Block: I80-I89
Siblings: 9
Subordinate: 4

Present FY2024–FY2027.