ICD-10-CM
D89.43 - Secondary mast cell activation
Code
D89.43 - Secondary mast cell activation
[Billable]
[Billable]
Includes
- Secondary mast cell activation syndrome
Code Also
- underlying etiology, if known
Code Tree
D50-D89 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Citation
"D89.43 - Secondary Mast Cell Activation." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/967786/all/D89_43___Secondary_mast_cell_activation.
D89.43 - Secondary mast cell activation. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/967786/all/D89_43___Secondary_mast_cell_activation. Accessed August 24, 2026.
D89.43 - Secondary mast cell activation. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/967786/all/D89_43___Secondary_mast_cell_activation
D89.43 - Secondary Mast Cell Activation [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 August 24]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/967786/all/D89_43___Secondary_mast_cell_activation.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - D89.43 - Secondary mast cell activation
ID - 967786
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/967786/all/D89_43___Secondary_mast_cell_activation
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
