Symptoms and abnormal clinical and laboratory findings not elsewhere classified (R00-R99)
- Central cyanosis
- Peripheral cyanosis
- Combination of central and peripheral cyanosis
- Hemiglobin cyanosis; causes of hemiglobin cyanosis are the occurrence of:
- Carboxyhemoglobin → carboxyhemoglobinemia.
- Methemoglobin → methemoglobinemia
- Sulfhemoglobin → carboxyhemoglobinemia
- Pseudocyanosis
