AutoICD API

I21.09

Billable

STEMI involving oth coronary artery of anterior wall

ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall

Status

Billable / Specific

Block

I20-I25

Parent Code

I21.0

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Acute transmural myocardial infarction of anterior wall
  • Anteroapical transmural (Q wave) infarction (acute)
  • Anterolateral transmural (Q wave) infarction (acute)
  • Anteroseptal transmural (Q wave) infarction (acute)
  • Transmural (Q wave) infarction (acute) (of) anterior (wall) NOS

Includes

Conditions included under this code

  • cardiac infarction
  • coronary (artery) embolism
  • coronary (artery) occlusion
  • coronary (artery) rupture
  • coronary (artery) thrombosis
  • infarction of heart, myocardium, or ventricle
  • myocardial infarction specified as acute or with a stated duration of 4 weeks (28 days) or less from onset

Excludes 2

Conditions not included here, but the patient may have both

  • 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.-)
  • old myocardial infarction (I25.2)
  • postmyocardial infarction syndrome (I24.1)
  • subsequent type 1 myocardial infarction (I22.-)

Use Additional Code

Additional codes that should follow this code

  • code, if applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Code Also

A second code may be required; sequencing depends on circumstances

  • the presence of hypertension (I10-I1A)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for stemi involving oth coronary artery of anterior wall?

The ICD-10-CM code for stemi involving oth coronary artery of anterior wall is I21.09. The full clinical description is "ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall". I21.09 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code I21.09 mean?

ICD-10-CM code I21.09 represents "ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall". It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.

Is I21.09 a billable code?

Yes, I21.09 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is I21.09 in?

I21.09 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).

Are additional codes required with I21.09?

Yes, when using I21.09 you should also code: code, if applicable, to identify:; exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82); tobacco dependence (F17.-); tobacco use (Z72.0).

What SNOMED CT codes does I21.09 map to?

I21.09 maps to 14 SNOMED CT concepts: 233827001, 233825009, 233833005, 304914007, 703164000, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for I21.09?

I21.09 is linked to 6 UMLS Concept Unique Identifiers: C0494577, C2882094, C2882095, C2882096, C2882098, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.