icd10free.comPowered by Curo

ICD-10 Coding for Inferior STEMI(I21.11, I21.0, I21.19)

Save

Learn how to accurately code inferior STEMI using ICD-10, including documentation requirements and common pitfalls.

Also known as:
Inferior ST-Elevation Myocardial InfarctionInferior Wall STEMI
Related ICD-10 Code Ranges

Complete code families applicable to Inferior STEMI

I00-I99Primary Range

Diseases of the circulatory system

→
Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
I21.11STEMI involving right coronary artery
I21.19STEMI involving other coronary artery of inferior wall
Primary ICD-10-CM Codes
ST elevation (STEMI) myocardial infarction involving right coronary artery
I21.11Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

STEMI involving other coronary artery of inferior wallI21.19

Use when left circumflex or other artery is involved instead of RCA.

STEMI involving right coronary arteryI21.11

Use when RCA is involved.

Documentation & Coding Risks

Avoid these common issues when documenting Inferior STEMI.

Omitting reciprocal changes in documentation

Impact

Clinical: Incomplete clinical picture affecting treatment decisions., Regulatory: Potential audit issues due to incomplete documentation., Financial: Risk of incorrect coding and reimbursement.

Mitigation

Ensure all ECG findings are documented, Use templates to guide documentation

Coding I21.4 for aborted STEMI after thrombolysis

Impact

Reimbursement: Incorrect DRG assignment leading to lower reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Continue using I21.11 unless STEMI criteria were never met.

STEMI vs. NSTEMI coding

Impact

Misclassification of resolved STEMI as NSTEMI.

Mitigation

Ensure documentation supports initial STEMI criteria.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I21.11.