ICD-10-CM Codes
I00-I99
I26-I28
I27-
2023 ICD-10-CM Diagnosis Code I27.29

2023 ICD-10-CM Diagnosis Code I27.29

Other secondary pulmonary hypertension

2018 - New Code

2019

2020

2021

2022

2023

Billable/Specific Code

I27.29 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 I27.29 became effective on October 1, 2022.
This is the American ICD-10-CM version of I27.29 - other international versions of ICD-10 I27.29 may differ.

Applicable To

Group 5 pulmonary hypertension
Pulmonary hypertension with unclear multifactorial mechanisms
Pulmonary hypertension due to hematologic disorders
Pulmonary hypertension due to metabolic disorders
Pulmonary hypertension due to other systemic disorders

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.

other associated disorders, if known, such as:
chronic myeloid leukemia (
ICD-10-CM Diagnosis Code C92.10
Chronic myeloid leukemia, BCR/ABL-positive, not having achieved remission
Applicable To
- Chronic myeloid leukemia, BCR/ABL-positive with failed remission
- Chronic myeloid leukemia, BCR/ABL-positive NOS
C92.10-
ICD-10-CM Diagnosis Code C92.22
Atypical chronic myeloid leukemia, BCR/ABL-negative, in relapse
C92.22
)
essential thrombocythemia (
ICD-10-CM Diagnosis Code D47.3
Essential (hemorrhagic) thrombocythemia
Applicable To
- Essential thrombocytosis
- Idiopathic hemorrhagic thrombocythemia
- Primary thrombocytosis
Type 2 Excludes
- reactive thrombocytosis (D75.838)
- secondary thrombocytosis (D75.838)
- thrombocythemia NOS (D75.839)
- thrombocytosis NOS (D75.839)
D47.3
)
Gaucher disease (
ICD-10-CM Diagnosis Code E75.22
Gaucher disease
E75.22
)
hypertensive chronic kidney disease with end stage renal disease (
ICD-10-CM Diagnosis Code I12.0
Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
Use Additional
- code to identify the stage of chronic kidney disease (N18.5, N18.6)
I12.0
,
ICD-10-CM Diagnosis Code I13.11
Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
Use Additional
- code to identify the stage of chronic kidney disease (N18.5, N18.6)
I13.11
,
ICD-10-CM Diagnosis Code I13.2
Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
Use Additional
- code to identify type of heart failure (I50.-)
I13.2
)
hyperthyroidism (
ICD-10-CM Diagnosis Code E05
- E05 Thyrotoxicosis [hyperthyroidism]
  - E05.0 Thyrotoxicosis with diffuse goiter
    - E05.00 Thyrotoxicosis with diffuse goiter without th...
    - E05.01 Thyrotoxicosis with diffuse goiter with thyro...
  - E05.1 Thyrotoxicosis with toxic single thyroid nodu...
    - E05.10 Thyrotoxicosis with toxic single thyroid nodu...
    - E05.11 Thyrotoxicosis with toxic single thyroid nodu...
  - E05.2 Thyrotoxicosis with toxic multinodular goiter...
    - E05.20 Thyrotoxicosis with toxic multinodular goiter...
    - E05.21 Thyrotoxicosis with toxic multinodular goiter...
  - E05.3 Thyrotoxicosis from ectopic thyroid tissue
    - E05.30 Thyrotoxicosis from ectopic thyroid tissue wi...
    - E05.31 Thyrotoxicosis from ectopic thyroid tissue wi...
  - E05.4 Thyrotoxicosis factitia
    - E05.40 Thyrotoxicosis factitia without thyrotoxic cr...
    - E05.41 Thyrotoxicosis factitia with thyrotoxic crisi...
  - E05.8 Other thyrotoxicosis
    - E05.80 Other thyrotoxicosis without thyrotoxic crisi...
    - E05.81 Other thyrotoxicosis with thyrotoxic crisis o...
  - E05.9 Thyrotoxicosis, unspecified
    - E05.90 Thyrotoxicosis, unspecified without thyrotoxi...
    - E05.91 Thyrotoxicosis, unspecified with thyrotoxic c...
E05.-
)
hypothyroidism (
ICD-10-CM Diagnosis Code E00
Congenital iodine-deficiency syndrome
Type 1 Excludes
- subclinical iodine-deficiency hypothyroidism (E02)
Use Additional
- code (F70-F79) to identify associated intellectual disabilities.
E00
-
ICD-10-CM Diagnosis Code E03
Other hypothyroidism
Type 1 Excludes
- iodine-deficiency related hypothyroidism (E00-E02)
- postprocedural hypothyroidism (E89.0)
E03
)
polycythemia vera (
ICD-10-CM Diagnosis Code D45
Polycythemia vera
Type 1 Excludes
- familial polycythemia (D75.0)
- secondary polycythemia (D75.1)
D45
)
sarcoidosis (
ICD-10-CM Diagnosis Code D86
- D86 Sarcoidosis
  - D86.0 Sarcoidosis of lung
  - D86.1 Sarcoidosis of lymph nodes
  - D86.2 Sarcoidosis of lung with sarcoidosis of lymph...
  - D86.3 Sarcoidosis of skin
  - D86.8 Sarcoidosis of other sites
    - D86.81 Sarcoid meningitis
    - D86.82 Multiple cranial nerve palsies in sarcoidosis...
    - D86.83 Sarcoid iridocyclitis
    - D86.84 Sarcoid pyelonephritis
    - D86.85 Sarcoid myocarditis
    - D86.86 Sarcoid arthropathy
    - D86.87 Sarcoid myositis
    - D86.89 Sarcoidosis of other sites
  - D86.9 Sarcoidosis, unspecified
D86.-
)

The following code(s) above I27.29 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 I27.29:

I00-I99
2023 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
Code Also
- associated underlying condition
Type 1 Excludes
- Eisenmenger's syndrome (I27.83)
Other secondary pulmonary hypertension

ICD-10-CM I27.29 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 I27.29 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

Code annotations containing back-references to I27.29:

Type 1 Excludes: I27.0

ICD-10-CM Diagnosis Code I27.0
Primary pulmonary hypertension
Applicable To
- Heritable pulmonary arterial hypertension
- Idiopathic pulmonary arterial hypertension
- Primary group 1 pulmonary hypertension
- Primary pulmonary arterial hypertension
Type 1 Excludes
- persistent pulmonary hypertension of newborn (P29.30)
- pulmonary hypertension NOS (I27.20)
- secondary pulmonary arterial hypertension (I27.21)
- secondary pulmonary hypertension (I27.29)

Diagnosis Index entries containing back-references to I27.29:

Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
ICD-10-CM Diagnosis Code I10
Essential (primary) hypertension
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
  - with
    - cor pulmonale (chronic) I27.29
    - right heart ventricular strain/failure I27.29
    - unclear multifactorial mechanisms I27.29
  - due to
    - hematologic disorders I27.29
    - metabolic disorders I27.29
    - specified systemic disorders NEC I27.29
  - secondary
    - specified NEC I27.29
  - group 5 I27.29

ICD-10-CM Codes Adjacent To I27.29

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

I28.8 Other diseases of pulmonary vessels

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

2023 ICD-10-CM Diagnosis Code I27.29

Other secondary pulmonary hypertension

Chronic myeloid leukemia, BCR/ABL-positive, not having achieved remission

Atypical chronic myeloid leukemia, BCR/ABL-negative, in relapse

Essential (hemorrhagic) thrombocythemia

Gaucher disease

Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease

Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease

Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease

Congenital iodine-deficiency syndrome

Other hypothyroidism

Polycythemia vera

Diseases of the circulatory system

Other secondary pulmonary hypertension

Primary pulmonary hypertension

Essential (primary) hypertension

Pulmonary hypertension, unspecified