Complete ICD-10-CM coding and documentation guide for icd-10 coding for abnormal pulmonary function test includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Abnormal Pulmonary Function Test
Use ICD-10 code R94.2 for abnormal results of pulmonary function studies, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Chronic obstructive pulmonary disease, unspecified
Use as primary code when COPD is confirmed; R94.2 is secondary.
The ICD-10 code for abnormal pulmonary function test is R94.2, used when PFT results are abnormal but no definitive diagnosis is confirmed.
R94.2 should be used as a primary code only when no definitive diagnosis is established and the patient is under evaluation.