Sputum Color Chart

Reproduced with permission of the © ERS 2026
Cite this article as: Murray MP, Pentland JL, Turnbull K, et al. Sputum colour: a usefulclinical tool in non-cystic fibrosis bronchiectasis. Eur Respir J 2009; 34: 361-364. DOI: 10.1183/09031936.00163208

This page was reviewed on April 25, 2026 by the Bronchiectasis and NTM Association Content Review and Evaluation Committee.