2020

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99 Diseases of the circulatory system
    3. ›
  3. I20-I25 Ischemic heart diseases
    4. ›
  4. I25- Chronic ischemic heart disease
    5. ›
  5. 2020 ICD-10-CM Diagnosis Code I25.799

2020 ICD-10-CM Diagnosis Code I25.799

Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris

    2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
  • I25.799 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Atherosclerosis of CABG w unsp angina pectoris
  • The 2020 edition of ICD-10-CM I25.799 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of I25.799 - other international versions of ICD-10 I25.799 may differ.
ICD-10-CM Coding Rules
  • I25.799 is applicable to adult patients aged 15 - 124 years inclusive.
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 I25.799. 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.
  • unspecified angina pectoris without atherosclerosis of other coronary artery bypass graft(s) (
    ICD-10-CM Diagnosis Code I20.9

    Angina pectoris, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Angina NOS
    • Anginal syndrome
    • Cardiac angina
    • Ischemic chest pain
    I20.9
    )
The following code(s) above I25.799 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 I25.799:
  • I00-I99
    2020 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
  • I20-I25
    2020 ICD-10-CM Range I20-I25

    Ischemic heart diseases

    Use Additional
    • code to identify presence of hypertension (I10-I16)
    Ischemic heart diseases
  • I25
    ICD-10-CM Diagnosis Code I25

    Chronic ischemic heart disease

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code to identify:
    • chronic total occlusion of coronary artery (I25.82)
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Chronic ischemic heart disease
  • I25.7
    ICD-10-CM Diagnosis Code I25.7

    Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • atherosclerosis of bypass graft(s) of transplanted heart without angina pectoris (I25.812)
    • atherosclerosis of coronary artery bypass graft(s) without angina pectoris (I25.810)
    • atherosclerosis of native coronary artery of transplanted heart without angina pectoris (I25.811)
    Use Additional
    • code, if applicable, to identify:
    • coronary atherosclerosis due to calcified coronary lesion (I25.84)
    • coronary atherosclerosis due to lipid rich plaque (I25.83)
    Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris
ICD-10-CM I25.799 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 302 Atherosclerosis with mcc
  • 303 Atherosclerosis without mcc

Convert I25.799 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

Diagnosis Index entries containing back-references to I25.799:
  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
    ICD-10-CM Diagnosis Code I70.90

    Unspecified atherosclerosis

      2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
    • coronary (artery) I25.10
      ICD-10-CM Diagnosis Code I25.10

      Atherosclerotic heart disease of native coronary artery without angina pectoris

        2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
      Applicable To
      • Atherosclerotic heart disease NOS
      • bypass graft I25.810
        ICD-10-CM Diagnosis Code I25.810

        Atherosclerosis of coronary artery bypass graft(s) without angina pectoris

          2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
        Applicable To
        • Atherosclerosis of coronary artery bypass graft NOS
        Type 1 Excludes
        • specified type NEC I25.810
          ICD-10-CM Diagnosis Code I25.810

          Atherosclerosis of coronary artery bypass graft(s) without angina pectoris

            2016 2017 2018 2019 2020 Billable/Specific Code Adult Dx (15-124 years)
          Applicable To
          • Atherosclerosis of coronary artery bypass graft NOS
          Type 1 Excludes

ICD-10-CM Codes Adjacent To I25.799
I25.759 Atherosclerosis of native coronary artery of transplanted heart with unspecified angina pectoris
I25.76 Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris
I25.760 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina
I25.761 …… with documented spasm
I25.768 Atherosclerosis of bypass graft of coronary artery of transplanted heart with other forms of angina pectoris
I25.769 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unspecified angina pectoris
I25.79 Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris
I25.790 Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris
I25.791 …… with documented spasm
I25.798 Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris
I25.799 Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris
I25.8 Other forms of chronic ischemic heart disease
I25.81 Atherosclerosis of other coronary vessels without angina pectoris
I25.810 Atherosclerosis of coronary artery bypass graft(s) without angina pectoris
I25.811 Atherosclerosis of native coronary artery of transplanted heart without angina pectoris
I25.812 Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris
I25.82 Chronic total occlusion of coronary artery
I25.83 Coronary atherosclerosis due to lipid rich plaque
I25.84 Coronary atherosclerosis due to calcified coronary lesion
I25.89 Other forms of chronic ischemic heart disease
I25.9 Chronic ischemic heart disease, unspecified

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

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