I82.5Z
Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity
I82.5Z is a non-billable ICD-10-CM code header for chronic embolism and thrombosis of unspecified deep veins of distal lower extremity. 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 I82.5Z1 Chronic embolism and thrombosis of unspecified deep veins of right distal lower extremity; I82.5Z2 Chronic embolism and thrombosis of unspecified deep veins of left distal lower extremity; I82.5Z3 Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateral and I82.5Z9 Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity. Its coding notes include a Code first instruction, a Use additional code instruction, 1 Excludes1 entry and 19 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
Use additional code
Add the listed code as a secondary code, if known.
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.-)
Inclusion terms
Conditions classified to this code.
- Chronic embolism and thrombosis of deep veins of calf NOS
- Chronic embolism and thrombosis of deep veins of lower leg NOS
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 4 entries
- Embolism (multiple) (paradoxical), vein (acute), deep (DVT), calf, chronic
- Embolism (multiple) (paradoxical), vein (acute), deep (DVT), lower leg, chronic
- Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel), vein (acute), deep (DVT), calf, chronic
- Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel), vein (acute), deep (DVT), lower leg, chronic
More specific codes under I82.5Z 4
- I82.5Z1Chronic embolism and thrombosis of unspecified deep veins of right distal lower extremityBillable
- I82.5Z2Chronic embolism and thrombosis of unspecified deep veins of left distal lower extremityBillable
- I82.5Z3Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateralBillable
- I82.5Z9Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremityBillable