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CPT® Modifier 3Z
Deleted

Official Description

Non-neoplastic hematology/coagulation, not otherwise specified

© Copyright 2026 American Medical Association. All rights reserved.

Short Descr	Non-neoplastic hematology/coagulation, not otherw
Medium Descr	Non-neoplastic hematology/coagulation, not otherwise specified

Modifiers

-/+ Deleted, Replaced, Expanded Codes

0A-9Z Genetic Testing Code Modifiers

3A-3Z Non-Neoplastic Hematology/Coagulation

3A F5, commonly called Factor V (Leiden, others) (hypercoagulable state)

3B FACC (Fanconi anemia)

3C FACD (Fanconi anemia)

3D HBB, beta globin (thalassemia, sickle cell anemia, other hemoglobinopathies)

3E HBA, commonly called alpha globin (thalassemia)

3F MTHFR (elevated homocystinemia)

3G F2, commonly called prothrombin (20210, others) (hypercoagulable state) prothrombin (factor II, 20

3H F8, commonly called factor VIII (hemophilia A/VWF)

3I F9, commonly called factor IX (hemophilia B)

3K F13, commonly called factor XIII (bleeding or hypercoagulable state) beta globin

3Z Non-neoplastic hematology/coagulation, not otherwise specified

Date	Action	Notes
2013-01-01	Deleted	Removed from the CPT codebook.

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