ICD-10-CM Codes
I00-I99
I30-I5A
I51-
2023 ICD-10-CM Diagnosis Code I51.0

2023 ICD-10-CM Diagnosis Code I51.0

Cardiac septal defect, acquired

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

Adult Dx (15-124 years)

I51.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM I51.0 became effective on October 1, 2022.
This is the American ICD-10-CM version of I51.0 - other international versions of ICD-10 I51.0 may differ.

ICD-10-CM Coding Rules

I51.0 is applicable to adult patients aged 15 - 124 years inclusive.

Applicable To

Acquired septal atrial defect (old)
Acquired septal auricular defect (old)
Acquired septal ventricular defect (old)

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I51.0. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

cardiac septal defect as current complication following acute myocardial infarction (
ICD-10-CM Diagnosis Code I23.1
Atrial septal defect as current complication following acute myocardial infarction
Type 1 Excludes
- acquired atrial septal defect not specified as current complication following acute myocardial infarction (I51.0)
I23.1
,
ICD-10-CM Diagnosis Code I23.2
Ventricular septal defect as current complication following acute myocardial infarction
Type 1 Excludes
- acquired ventricular septal defect not specified as current complication following acute myocardial infarction (I51.0)
I23.2
)

The following code(s) above I51.0 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to I51.0:

I00-I99
2023 ICD-10-CM Range I00-I99
Diseases of the circulatory system
Type 2 Excludes
- 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.-)
Diseases of the circulatory system
I51
ICD-10-CM Diagnosis Code I51
Complications and ill-defined descriptions of heart disease
Type 1 Excludes
- any condition in I51.4-I51.9 due to hypertension (I11.-)
- any condition in I51.4-I51.9 due to hypertension and chronic kidney disease (I13.-)
- heart disease specified as rheumatic (I00-I09)
Complications and ill-defined descriptions of heart disease

Approximate Synonyms

Acquired cardiac septal defect

ICD-10-CM I51.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

314 Other circulatory system diagnoses with mcc
315 Other circulatory system diagnoses with cc
316 Other circulatory system diagnoses without cc/mcc

Convert I51.0 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to I51.0:

Type 1 Excludes: Q21
, I23.1
, I23.2

ICD-10-CM Diagnosis Code Q21
Congenital malformations of cardiac septa
Type 1 Excludes
- acquired cardiac septal defect (I51.0)
ICD-10-CM Diagnosis Code I23.1
Atrial septal defect as current complication following acute myocardial infarction
Type 1 Excludes
- acquired atrial septal defect not specified as current complication following acute myocardial infarction (I51.0)
ICD-10-CM Diagnosis Code I23.2
Ventricular septal defect as current complication following acute myocardial infarction
Type 1 Excludes
- acquired ventricular septal defect not specified as current complication following acute myocardial infarction (I51.0)

Diagnosis Index entries containing back-references to I51.0:

Defect, defective Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
Applicable To
Congenital anomaly NOS
Congenital deformity NOS
- septal (heart) Q21.9
  ICD-10-CM Diagnosis Code Q21.9
  Congenital malformation of cardiac septum, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  Applicable To
  Septal (heart) defect NOS
  - acquired I51.0 (atrial) (auricular) (ventricular) (old)

ICD-10-CM Codes Adjacent To I51.0

I50.811 Acute right heart failure

I50.812 Chronic right heart failure

I50.813 Acute on chronic right heart failure

I50.814 …… due to left heart failure

I50.82 Biventricular heart failure

I50.83 High output heart failure

I50.84 End stage heart failure

I50.89 Other heart failure

I50.9 Heart failure, unspecified

I51 Complications and ill-defined descriptions of heart disease

I51.0 Cardiac septal defect, acquired

I51.1 Rupture of chordae tendineae, not elsewhere classified

I51.2 Rupture of papillary muscle, not elsewhere classified

I51.3 Intracardiac thrombosis, not elsewhere classified

I51.4 Myocarditis, unspecified

I51.5 Myocardial degeneration

I51.7 Cardiomegaly

I51.8 Other ill-defined heart diseases

I51.81 Takotsubo syndrome

I51.89 Other ill-defined heart diseases

I51.9 Heart disease, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code I51.0

Cardiac septal defect, acquired

Atrial septal defect as current complication following acute myocardial infarction

Ventricular septal defect as current complication following acute myocardial infarction

Diseases of the circulatory system

Complications and ill-defined descriptions of heart disease

Congenital malformations of cardiac septa

Atrial septal defect as current complication following acute myocardial infarction

Ventricular septal defect as current complication following acute myocardial infarction

Congenital malformation, unspecified

Congenital malformation of cardiac septum, unspecified