2017/18 ICD-10-CM Diagnosis Code I27.23

Pulmonary hypertension due to lung diseases and hypoxia

Applicable To
  • Group 3 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 lung disease, if known, such as:
  • bronchiectasis (
    ICD-10-CM Diagnosis Code J47
    • J47 Bronchiectasis
      • J47.0 Bronchiectasis with acute lower respiratory i...
      • J47.1 Bronchiectasis with (acute) exacerbation
      • J47.9 Bronchiectasis, uncomplicated
    J47.-
    )
  • cystic fibrosis with pulmonary manifestations (
    ICD-10-CM Diagnosis Code E84.0

    Cystic fibrosis with pulmonary manifestations

      2016 2017 2018 Billable/Specific Code
    Use Additional
    • code to identify any infectious organism present, such as:
    • Pseudomonas (B96.5)
    E84.0
    )
  • interstitial lung disease (
    ICD-10-CM Diagnosis Code J84
    • J84 Other interstitial pulmonary diseases
      • J84.0 Alveolar and parieto-alveolar conditions
        • J84.01 Alveolar proteinosis
        • J84.02 Pulmonary alveolar microlithiasis
        • J84.03 Idiopathic pulmonary hemosiderosis
        • J84.09 Other alveolar and parieto-alveolar condition...
      • J84.1 Other interstitial pulmonary diseases with fi...
        • J84.10 Pulmonary fibrosis, unspecified
        • J84.11 Idiopathic interstitial pneumonia
          • J84.111 Idiopathic interstitial pneumonia, not otherw...
          • J84.112 Idiopathic pulmonary fibrosis
          • J84.113 Idiopathic non-specific interstitial pneumoni...
          • J84.114 Acute interstitial pneumonitis
          • J84.115 Respiratory bronchiolitis interstitial lung d...
          • J84.116 Cryptogenic organizing pneumonia
          • J84.117 Desquamative interstitial pneumonia
        • J84.17 Other interstitial pulmonary diseases with fi...
      • J84.2 Lymphoid interstitial pneumonia
      • J84.8 Other specified interstitial pulmonary diseas...
        • J84.81 Lymphangioleiomyomatosis
        • J84.82 Adult pulmonary Langerhans cell histiocytosis...
        • J84.83 Surfactant mutations of the lung
        • J84.84 Other interstitial lung diseases of childhoo...
          • J84.841 Neuroendocrine cell hyperplasia of infancy
          • J84.842 Pulmonary interstitial glycogenosis
          • J84.843 Alveolar capillary dysplasia with vein misali...
          • J84.848 Other interstitial lung diseases of childhoo...
        • J84.89 Other specified interstitial pulmonary diseas...
      • J84.9 Interstitial pulmonary disease, unspecified
    J84.-
    )
  • pleural effusion (
    ICD-10-CM Diagnosis Code J90

    Pleural effusion, not elsewhere classified

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Encysted pleurisy
    • Pleural effusion NOS
    • Pleurisy with effusion (exudative) (serous)
    Type 1 Excludes
    • chylous (pleural) effusion (J94.0)
    • malignant pleural effusion (J91.0))
    • pleurisy NOS (R09.1)
    • tuberculous pleural effusion (A15.6)
    J90
    )
  • sleep apnea (
    ICD-10-CM Diagnosis Code G47.3

    Sleep apnea

      2016 2017 2018 Non-Billable/Non-Specific Code
    Code Also
    • any associated underlying condition
    Type 1 Excludes
    • apnea NOS (R06.81)
    • Cheyne-Stokes breathing (R06.3)
    • pickwickian syndrome (E66.2)
    • sleep apnea of newborn (P28.3)
    G47.3-
    )
The following code(s) above I27.23 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 I27.23:
  • 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 I27.23 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I27.23 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to I27.23:

ICD-10-CM Codes Adjacent To I27.23
I26.90 Septic pulmonary embolism without acute cor pulmonale
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

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