2020 ICD-10-CM Diagnosis Code I31.8

Other specified diseases of pericardium

    2016 2017 2018 2019 2020 Billable/Specific Code
  • I31.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM I31.8 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of I31.8 - other international versions of ICD-10 I31.8 may differ.
Applicable To
  • Epicardial plaques
  • Focal pericardial adhesions
The following code(s) above I31.8 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 I31.8:
  • 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
  • I31
    ICD-10-CM Diagnosis Code I31

    Other diseases of pericardium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diseases of pericardium specified as rheumatic (I09.2)
    • postcardiotomy syndrome (I97.0)
    • traumatic injury to pericardium (S26.-)
    Other diseases of pericardium
Approximate Synonyms
  • Acquired pericardial cyst
ICD-10-CM I31.8 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 314 Other circulatory system diagnoses with mcc
  • 315 Other circulatory system diagnoses with cc
  • 316 Other circulatory system diagnoses without cc/mcc

Convert I31.8 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 I31.8:
  • Adhesions, adhesive (postinfective) K66.0
    ICD-10-CM Diagnosis Code K66.0

    Peritoneal adhesions (postprocedural) (postinfection)

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Adhesions (of) abdominal (wall)
    • Adhesions (of) diaphragm
    • Adhesions (of) intestine
    • Adhesions (of) male pelvis
    • Adhesions (of) omentum
    • Adhesions (of) stomach
    • Adhesive bands
    • Mesenteric adhesions
    Type 1 Excludes
    • female pelvic adhesions [bands] (N73.6)
    • peritoneal adhesions with intestinal obstruction (K56.5-)
    • pericardium (nonrheumatic) I31.0
      ICD-10-CM Diagnosis Code I31.0

      Chronic adhesive pericarditis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Accretio cordis
      • Adherent pericardium
      • Adhesive mediastinopericarditis
      • focal I31.8
  • Cyst (colloid) (mucous) (simple) (retention)
    • pericardial (congenital) Q24.8
      ICD-10-CM Diagnosis Code Q24.8

      Other specified congenital malformations of heart

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital diverticulum of left ventricle
      • Congenital malformation of myocardium
      • Congenital malformation of pericardium
      • Malposition of heart
      • Uhl's disease
      • acquired I31.8 (secondary)
  • Diverticulum, diverticula (multiple) K57.90
    ICD-10-CM Diagnosis Code K57.90

    Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Diverticular disease of intestine NOS
    • pericardium (congenital) (cyst) Q24.8
      ICD-10-CM Diagnosis Code Q24.8

      Other specified congenital malformations of heart

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital diverticulum of left ventricle
      • Congenital malformation of myocardium
      • Congenital malformation of pericardium
      • Malposition of heart
      • Uhl's disease
      • acquired I31.8
  • Fistula (cutaneous) L98.8
    ICD-10-CM Diagnosis Code L98.8

    Other specified disorders of the skin and subcutaneous tissue

      2016 2017 2018 2019 2020 Billable/Specific Code
    • pleuropericardial I31.8
  • Mediastinopericarditis - see also Pericarditis
  • Pericarditis (with decompensation) (with effusion) I31.9
    ICD-10-CM Diagnosis Code I31.9

    Disease of pericardium, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Pericarditis (chronic) NOS
  • Plaque(s)
    • epicardial I31.8

ICD-10-CM Codes Adjacent To I31.8
I30.0 Acute nonspecific idiopathic pericarditis
I30.1 Infective pericarditis
I30.8 Other forms of acute pericarditis
I30.9 Acute pericarditis, unspecified
I31 Other diseases of pericardium
I31.0 Chronic adhesive pericarditis
I31.1 Chronic constrictive pericarditis
I31.2 Hemopericardium, not elsewhere classified
I31.3 Pericardial effusion (noninflammatory)
I31.4 Cardiac tamponade
I31.8 Other specified diseases of pericardium
I31.9 Disease of pericardium, unspecified
I32 Pericarditis in diseases classified elsewhere
I33 Acute and subacute endocarditis
I33.0 Acute and subacute infective endocarditis
I33.9 Acute and subacute endocarditis, unspecified
I34 Nonrheumatic mitral valve disorders
I34.0 Nonrheumatic mitral (valve) insufficiency
I34.1 Nonrheumatic mitral (valve) prolapse
I34.2 Nonrheumatic mitral (valve) stenosis
I34.8 Other nonrheumatic mitral valve disorders

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