2017/18 ICD-10-CM Diagnosis Code I27.24

Chronic thromboembolic pulmonary hypertension

Applicable To
  • Group 4 pulmonary hypertension
Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • associated pulmonary embolism, if applicable (
    ICD-10-CM Diagnosis Code I26
    • I26 Pulmonary embolism
      • I26.0 Pulmonary embolism with acute cor pulmonale
        • I26.01 Septic pulmonary embolism with acute cor pulm...
        • I26.02 Saddle embolus of pulmonary artery with acute...
        • I26.09 Other pulmonary embolism with acute cor pulmo...
      • I26.9 Pulmonary embolism without acute cor pulmonal...
        • I26.90 Septic pulmonary embolism without acute cor p...
        • I26.92 Saddle embolus of pulmonary artery without ac...
        • I26.99 Other pulmonary embolism without acute cor pu...
    I26.-
    ,
    ICD-10-CM Diagnosis Code I27.82

    Chronic pulmonary embolism

      2016 2017 2018 Billable/Specific Code
    Type 1 Excludes
    • personal history of pulmonary embolism (Z86.711)
    Use Additional
    • code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
    I27.82
    )
The following code(s) above I27.24 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 I27.24:
  • I00-I99
    2018 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
  • I27.2
    ICD-10-CM Diagnosis Code I27.2

    Other secondary pulmonary hypertension

      2016 2017 2018 - Deleted Code 2018 - New Code Non-Billable/Non-Specific Code
    Code Also
    • associated underlying condition
    Type 1 Excludes
    • Eisenmenger's syndrome (I27.83)
    Other secondary pulmonary hypertension
ICD-10-CM I27.24 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I27.24 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to I27.24:

ICD-10-CM Codes Adjacent To I27.24
I26.92 Saddle embolus of pulmonary artery without acute cor pulmonale
I26.99 Other pulmonary embolism without acute cor pulmonale
I27 Other pulmonary heart diseases
I27.0 Primary pulmonary hypertension
I27.1 Kyphoscoliotic heart disease
I27.2 Other secondary pulmonary hypertension
I27.20 Pulmonary hypertension, unspecified
I27.21 Secondary pulmonary arterial hypertension
I27.22 Pulmonary hypertension due to left heart disease
I27.23 Pulmonary hypertension due to lung diseases and hypoxia
I27.24 Chronic thromboembolic pulmonary hypertension
I27.29 Other secondary pulmonary hypertension
I27.8 Other specified pulmonary heart diseases
I27.81 Cor pulmonale (chronic)
I27.82 Chronic pulmonary embolism
I27.83 Eisenmenger's syndrome
I27.89 Other specified pulmonary heart diseases
I27.9 Pulmonary heart disease, unspecified
I28 Other diseases of pulmonary vessels
I28.0 Arteriovenous fistula of pulmonary vessels
I28.1 Aneurysm of pulmonary artery

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