I82.4Y3

Acute embolism and thrombosis of unspecified deep veins of proximal lower extremity, bilateral

Billable FY2026 2025-10-01 → 2026-09-30

This is the unspecified option. 3 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

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 3

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.-

Index entries leading here 2

Embolism (multiple) (paradoxical) I74.9
- vein (acute) I82.90
  - lower extremity
    - proximal
      - deep I82.4Y
  - deep (DVT) I82.40
    - thigh I82.4Y
Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) I82.90
- vein (acute) I82.90
  - lower extremity
    - proximal
      - deep I82.4Y
  - deep (DVT) I82.40
    - thigh I82.4Y
    - upper leg I82.4Y

Alongside this code 3 same parent — I82.4Y

I82.4Y1 Ac emblsm and thombos unsp deep veins of r prox low extrm I82.4Y2 Ac emblsm and thombos unsp deep veins of left prox low extrm I82.4Y9 Acute emblsm and thombos unsp deep vn unsp prox low extrm

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

CMS22HCC108 CMS28HCC267 ESRD21HCC108 ESRD24HCC108 RX08HCC215

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: I82.4Y
Block: I80-I89
Siblings: 3

Present FY2024–FY2027.