I21.2: ST elevation (STEMI) myocardial infarction of other sites
ST elevation (STEMI) myocardial infarction of other sites
Quick Clinical & Billing Summary
What is ICD-10-CM code I21.2? I21.2 represents ST elevation (STEMI) myocardial infarction of other sites. Under official CDC guidelines, this code is non-billable and requires additional specificity.
Code Hierarchy & Classification
Clinical Guidance & Documentation Standards
Associated Procedures & Medicare RVU Reimbursement
Open RVU Calculator →Typical outpatient and office evaluation procedures frequently billed alongside diagnosis I21.2:
| CPT/HCPCS | Description | Work RVU | Non-Facility Fee | Facility Fee |
|---|---|---|---|---|
| 99213 | Office/outpatient visit, established patient, 20-29 minutes (Low MDM) | 1.30 | $91.69 | $66.79 |
| 99214 | Office/outpatient visit, established patient, 30-39 minutes (Moderate MDM) | 1.92 | $133.61 | $100.21 |
| 96372 | Therapeutic, prophylactic, or diagnostic injection (subcutaneous/intramuscular) | 0.17 | $18.34 | $12.44 |
CPT Modifier & Billing Rules
Append when a significant, separately identifiable evaluation and management service is provided on the same calendar day as a minor surgical procedure or injection.
Identifies procedures or services not normally reported together but distinct under the clinical circumstances. Use CMS X-modifiers (XE, XS, XP, XU) where required by Medicare.
Frequently Asked Questions about I21.2
Is I21.2 a billable ICD-10 code?
No, I21.2 is a non-billable category code that requires additional digits to specify clinical details.
What is the ICD-10 code for ST elevation (STEMI) myocardial infarction of other sites?
The primary ICD-10-CM code for ST elevation (STEMI) myocardial infarction of other sites is I21.2.
What is the effective date of the current I21.2 code?
The code is active for fiscal year FY2027, effective starting 2026-10-01.
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