asthma ( J82 ) miner's asthma ( J60 ) wheezing NOS ( R06.2 ) wood asthma ( J67.8 ) Type 2 Excludes asthma with chronic obstructive pulmonary disease ( J44.9 ) chronic asthmatic (obstructive) bronchitis ( J44.9 ) chronic obstructive asthma ( J44.9 ) Use [icd10data.com]

Cases of bronchiolitis obliterans associated with Castleman’s disease may also have paraneoplastic pemphigus which may present with oral ulcers as well as lymphadenopathy. Evaluation Pulmonary function testing is essential for diagnosis. [ncbi.nlm.nih.gov]

History may also elicit recent exposure to toxic fumes or gases, viral infections, symptoms of joint stiffness in cases of rheumatoid arthritis, prior lung or hematopoietic stem cell transplantation. [ncbi.nlm.nih.gov]