AutoICD API

R94.2

Billable

Abnormal results of pulmonary function studies

Abnormal results of pulmonary function studies

Status

Billable / Specific

Block

R90-R94

Parent Code

R94

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Reduced ventilatory capacity
  • Reduced vital capacity

Includes

Conditions included under this code

  • nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
  • nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
  • nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
  • nonspecific abnormal findings on diagnostic imaging by thermography
  • nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
  • nonspecific abnormal findings on diagnostic imaging by X-ray examination
  • abnormal results of radionuclide [radioisotope] uptake studies
  • abnormal results of scintigraphy

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(8)
R94.0

Abnormal results of function studies of cnsl

R94.1

Abn results of functn studies of prph nrv sys & specl senses

R94.3

Abnormal results of cardiovascular function studies

R94.4

Abnormal results of kidney function studies

BillableR94.5

Abnormal results of liver function studies

BillableR94.6

Abnormal results of thyroid function studies

BillableR94.7

Abnormal results of other endocrine function studies

BillableR94.8

Abnormal results of function studies of organs and systems

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

MD42Results of function studies of the respiratory systemequivalentPrimary
Also Known As / Clinical Terms(189)

SNOMED CT

UMLS

Clinical Terms

  • Peak expiratory flow rate - compliance moderate
  • Decreased total lung capacity
  • Forced vital capacity abnormal
  • Pulmonary function study abnormal
  • Finding of vital capacity
  • Regional ventilation differences due to local airway resistance
  • Increased Bohr effect
  • Finding of forced vital capacity
  • Decreased respiration
  • Lung function testing abnormal (finding)
  • Forced expired volume - finding
  • TF - Transfer factor
  • Respiratory flow rate abnormal
  • Forced expiratory volume in one second (FEV1)/Forced vital capacity (FVC) ratio abnormal
  • Peak expiratory flow rate - technique moderate
  • FEV1/FVC > 70 percent of predicted
  • Increased functional residual capacity
  • Pulmonary function test NOS abnormal
  • Finding of forced expired volume
  • Increased maximal voluntary ventilation
  • Diffusing capacity
  • Vital capacity - finding
  • Lung function testing abnormal
  • Peak flow rate - finding
  • Decreased diffusion capacity of lung
  • TL - Transfer factor
  • Diffusion capacity of lung above reference range
  • Lung function restrictive
  • Decreased blood oxygen pressure
  • Decreased D>L<
  • Forced expiratory volume in one second/forced vital capacity ratio abnormal
  • Forced vital capacity - finding
  • Increased peak expiratory flow rate
  • Respiratory quotient - finding
  • Pendelluft
  • Peak expiratory flow rate - technique poor
  • Respiratory flow rate below reference range
  • Increased blood oxygen pressure
  • Regional ventilation differences due to unequal compliance
  • Respiratory quotient abnormal
  • Nonspecific abnormal results of function study of pulmonary system
  • FEV1/FVC > 70% of predicted
  • Regional ventilation differences due to gravity
  • Finding of respiratory quotient
  • Decreased Bohr effect
  • Forced expiratory volume in one second/Forced vital capacity less than 70% of predicted
  • Lung function abnormal
  • Forced expiratory volume in one second/Forced vital capacity > 70% of predicted
  • Decreased vital capacity
  • Transfer factor
  • Finding of diffusion capacity of lung
  • Regional ventilation differences due to unequal stress
  • Abnormal blood oxygen pressure
  • Finding of peak expiratory flow rate
  • Increased forced expiratory volume
  • Pulmonary function test abnormal
  • Peak flow rate abnormal
  • FEV1/FVC < 70% of predicted
  • Abnormal distribution of ventilation
  • Decreased lung function
  • FEV1/FVC < 70 percent of predicted
  • Forced vital capacity below reference range
  • Respiratory depression
  • Regional ventilation differences
  • High airway pressure
  • Serial peak expiratory flow rate abnormal
  • Lung function test NOS abnormal
  • Decreased respiratory function
  • Finding of peak flow rate
  • Peak expiratory flow rate - finding
  • Reduced vital capacity
  • Abnormality on pulmonary function testing
  • Spirometry reversibility finding
  • Reduced ventilatory capacity
  • Respiratory flow rate above reference range
  • Abnormal airflow
  • Lung function significantly obstructed
  • Decreased forced expiratory volume
  • Alveolar-capillary block
  • Regional ventilation differences due to unequal bronchial pathway lengths
  • Decreased peak expiratory flow rate
  • Abnormal pulmonary function test
  • Spirometry reversibility positive
  • Lung volume test abnormal
  • Peak expiratory flow rate - compliance poor
  • Forced expiratory volume in one second/Forced vital capacity greater than 70% of predicted
  • Decreased functional residual capacity
  • Regional ventilation differences due to pleural pressure
  • FVC - forced vital capacity abnormal
  • FEV1/FVC ratio abnormal
  • Forced expiratory volume in one second/Forced vital capacity less than 70 percent of predicted
  • Decreased maximal voluntary ventilation
  • Forced expiratory volume in one second/Forced vital capacity greater than 70 percent of predicted
Frequently Asked Questions
What is the ICD-10 code for abnormal results of pulmonary function studies?

The ICD-10-CM code for abnormal results of pulmonary function studies is R94.2. The full clinical description is "Abnormal results of pulmonary function studies". R94.2 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code R94.2 mean?

ICD-10-CM code R94.2 represents “Abnormal results of pulmonary function studies”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.

Is R94.2 a billable code?

Yes, R94.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is R94.2 in?

R94.2 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

What codes cannot be used with R94.2?

R94.2 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.

What SNOMED CT codes does R94.2 map to?

R94.2 maps to 57 SNOMED CT concepts: 60466007, 123821009, 36491007, 34627006, 20408009, and 52 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for R94.2?

R94.2 is linked to 3 UMLS Concept Unique Identifiers: C0476405, C0476407, C0476408. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does R94.2 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal results of pulmonary function studies affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of R94.2?

R94.2 maps to the ICD-11 code: MD42 (Results of function studies of the respiratory system).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.