r/Hematology is a subreddit with 12k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses blood, cell, platelets, blood type, and wbc.
Hematology: The Study of Blood, Blood-Forming Organs, and Blood Diseases
NO DIAGNOSIS or INTERPRETATION of your tests! This a community where hematologists, students, and even those who know nothing of the science can come to converse about hematology.
Popular Themes in r/Hematology
#1
Advice Requests
: "Help a writer out..."
17 posts
#2
Solution Requests
: "Looking for Hematologist/Pathologist for undergraduate thesis certification"
2 posts
#3
Ideas
: "CliniCheck is going to get a huge update! What would you like to see next?"
1 post
#4
Self-Promotion
: "I’ve added draggable cell types to CliniCheck - feedback welcome"
1 post
Popular Topics in r/Hematology
#1
Blood
: "Microscopy nerd friend looked at my Blood, curious what professionals see."
6 posts
#2
Cell
: "Saw an angry Cell at work today 😡"
5 posts
#3
Platelets
: "so i noticed uow big the Platelets were on this slide. and nearly every neutraphil looked segmented. also nee to this so let me know if im missing anything"
4 posts
#4
Blood Type
: "A+ Blood Type, but Rh negative? Explain like I’m five how this can affect pregnancy?"
4 posts
#5
Wbc
: "being referred to an oncologist due to high Wbc for 6ish months. should i worry and what should i be worried about?"
3 posts
#6
Iron Labs
: "Iron Labs"
2 posts
#7
Lymphocytes
: "Low neutrophils%, high mono % lymph%, no signs of infection, I am worried"
2 posts
#8
Platelet Clumping
2 posts
#9
Clumping
2 posts
#10
Bloodwork
: "Bloodwork help"
2 posts
Flair Used in r/Hematology
#1
Question
: "What type of cell is circled in this blood film?"
26 posts
#2
Interesting Find
: "Name that cell"
3 posts
#3
Discussion
: "A+ blood type, but Rh negative? Explain like I’m five how this can affect pregnancy?"
2 posts
#4
Study
: "HCPs: Use plasma? Take this survey"
1 post
Member Growth in r/Hematology
Yearly
+2k members(16.0%)
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About
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Last updated: August 11, 2026