R84.3 Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax

The following code(s) above R84.3 may contain annotation back-references that may be applicable to R84.3:

• Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Diagnosis Index

Abnormal, Abnormality, Abnormalities - see also Anomaly
- Specimen
-- Respiratory Organs R84.9
--- Nonmedicinal Level R84.3