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Diagnosis Code

J44.9 CHRONIC OBSTRUCTIVE PULMONARY DISEASE, UNSPECIFIED


Code Information

Diagnosis Code: J44.9

Short Description: Chronic obstructive pulmonary disease, unspecified

Long Description: Chronic obstructive pulmonary disease, unspecified

The code J44.9 is VALID for claim submission

Code Classification:

  • Diseases of the respiratory system (J00–J99)
    • Chronic lower respiratory diseases (J40-J4A)
      • Other chronic obstructive pulmonary disease (J44)
        • J44.9 Chronic obstructive pulmonary disease, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Airways obstruction irreversible
  • Asthma with irreversible airway obstruction
  • Asthma-chronic obstructive pulmonary disease overlap syndrome
  • Asthmatic bronchitis
  • Bronchiolitis obliterans syndrome due to and following allogeneic stem cell transplant
  • Chronic asthmatic bronchitis
  • Chronic bronchiolitis
  • Chronic graft-versus-host disease
  • Chronic obliterative bronchiolitis
  • Chronic obstructive lung disease
  • Chronic obstructive pulmonary disease monitoring due
  • Emphysematous bronchitis
  • End stage chronic obstructive airways disease
  • Finding of respiratory obstruction
  • Mild chronic obstructive pulmonary disease
  • Moderate chronic obstructive pulmonary disease
  • Obstruction of bronchus
  • Pulmonary hypertension due to chronic obstructive pulmonary disease
  • Pulmonary hypertension due to lung disease and/or hypoxia
  • Severe chronic obstructive pulmonary disease
  • Subacute obliterative bronchiolitis

Diagnostic Related Group(s)

The code J44.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Chronic Obstructive Pulmonary Disease With Mcc (190)
  • Chronic Obstructive Pulmonary Disease With Cc (191)
  • Chronic Obstructive Pulmonary Disease Without Cc/mcc (192)

References to Index of Diseases and Injuries

The code J44.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Chronic obstructive airway disease NOS
    • Chronic obstructive lung disease NOS
  • Type 2 Excludes Notes:
    • lung diseases due to external agents (@J60*-@J70*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
J44.9 Right Arrow 491.20 Obst chr bronc w/o exac
493.20 Chronic obst asthma NOS
496 Chr airway obstruct NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
J44 Other chronic obstructive pulmonary disease
J44.0 Chronic obstructive pulmonary disease with (acute) lower respiratory infection
J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation
J44.8 Other specified chronic obstructive pulmonary disease
J44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndrome
J44.89 Other specified chronic obstructive pulmonary disease

This page was last updated on: 10/1/2023

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