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ICD-10-CM Codes
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I00-I99
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I26-I28
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I27-
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2023 ICD-10-CM Diagnosis Code I27.23
2023 ICD-10-CM Diagnosis Code I27.23
Pulmonary hypertension due to lung diseases and hypoxia
2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
- I27.23 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 I27.23 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I27.23 - other international versions of ICD-10 I27.23 may differ.
Applicable To- Group 3 pulmonary hypertension
Code AlsoCode 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 2019 2020 2021 2022 2023 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...
- J84.170 Interstitial lung disease with progressive fi...
- J84.178 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 childhood...
- 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 childhood...
- 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 2019 2020 2021 2022 2023 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 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Code Also- any associated underlying condition
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:
ICD-10-CM I27.23 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 I27.23 to ICD-9-CM
Code History
- 2018 (effective 10/1/2017): New code
- 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
- Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
ICD-10-CM Diagnosis Code I10
Essential (primary) hypertension
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Questionable As Admission Dx
Includes- high blood pressure
- hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Type 1 Excludes- hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Type 2 Excludes- essential (primary) hypertension involving vessels of brain (I60-I69)
- essential (primary) hypertension involving vessels of eye (H35.0-)
- pulmonary I27.20
ICD-10-CM Diagnosis Code I27.20
Pulmonary hypertension, unspecified
2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Pulmonary hypertension NOS
- due to
- lung diseases and hypoxia I27.23
- group 3 I27.23
ICD-10-CM Codes Adjacent To I27.23
I26.93 Single subsegmental pulmonary embolism without acute cor pulmonale
I26.94 Multiple subsegmental pulmonary emboli 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
I27.89 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.