I82.221 — Chronic embolism and thrombosis of inferior vena cava
Is I82.221 billable?
Yes — I82.221 is billable for FY2027. I82.221 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. I82.221 may be submitted for encounters from October 1, 2026 through September 30, 2027.
I82.221 at a glance
| Code | I82.221 |
|---|---|
| Description | Chronic embolism and thrombosis of inferior vena cava |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I82.221 group to?
I82.221 sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 299Peripheral Vascular Disorders with MCCmedical
- 300Peripheral Vascular Disorders with CCmedical
- 301Peripheral Vascular Disorders without CC/MCCmedical
As a secondary diagnosis, I82.221 is a major complication or comorbidity (MCC), which can move a stay into a higher-paying DRG.
How is I82.221 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I82.221. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Embolism › vena cava › inferior › chronic (multiple) (paradoxical)
- Thrombosis, thrombotic › vena cava › inferior › chronic (bland) (multiple) (progressive) (silent) (vessel)
Code first — inherited from I82
The underlying condition below must be sequenced before I82.221. I82.221 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I82.221, but a patient may have both at the same time. When documentation supports it, I82.221 and the excluded code may both be reported.
- 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.-)
Excludes2 — not included here — inherited from I82
The conditions below are not part of I82.221, but a patient may have both at the same time. When documentation supports it, I82.221 and the excluded code may both be reported.
How long has I82.221 existed?
I82.221 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.