KDP categories · Top KDP authors
Diagnosis (Clinical, Books): Amazon KDP category data
Amazon Books Best Sellers data for Diagnosis (Clinical, Books), updated Nov 2, 2026: median price $57.07, median 62 reviews, average rating 4.7 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $34.98 – $88.59 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 20% of the parent category Clinical (312), one of the easier corners under it.
- At $57.07 its median price beats 97% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $34.98 to $88.59, so budget editions and premium or boxed sets sell side by side.
Top 10 Diagnosis best sellers
-
Rapid Interpretation of EKG's, Sixth Edition
by Dale Dubin
- List rank#1
- Price$59.89
- Rating4.8
- Reviews4,969
-
Pocket Medicine
by MARC SABATINE
- List rank#2
- Price$62.37
- Rating4.6
- Reviews99
-
Clinical Pathophysiology Made Ridiculously Simple: Color Edition
by Aaron Berkowitz M.D. Ph.D.
- List rank#3
- Price$37.95
- Rating4.6
- Reviews2,506
-
Common Sense Labs: A Practical Guide to Decoding Your Blood Work and Taking Control of Your Health (Updated and Expanded Edition)
by Ken Berry MD
- List rank#4
- Price$25.12
- Rating4.7
- Reviews813
-
The Practitioner's Pocket Pal: A "Made Ridiculously Simple" Rapid Medical Reference
by Jim Hancock
- List rank#5
- Price$34.95
- Rating4.6
- Reviews959
-
Ackley and Ladwig’s Nursing Diagnosis Handbook: An Evidence-Based Guide to Planning Care
by Mary Beth Flynn Makic PhD APRN CCNS CCRN FAAN FNAP FCNS
- List rank#6
- Price$62.43
- Rating4.8
- Reviews711
-
Routine Lab Values Made Ridiculously Simple
- List rank#7
- Price$29.95
- Rating4.3
- Reviews28
-
Dsm-5-tr Handbook of Differential Diagnosis
by M.d. First, Michael B.
- List rank#8
- Price$66.94
- Rating4.8
- Reviews93
-
Advancements in Clinical Medicine
by P Paramasivan
- List rank#9
- Price$422
- Rating5.0
- Reviews1
-
Stop Guessing: The Clinical Reasoning System That Gets to Root Cause on Day One
by Dr. Roger St. Onge Jr.
- List rank#10
- Price$19.99
- Rating5.0
- Reviews14
FAQ
Is Diagnosis a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 62 reviews and sells for $57.07.
How many reviews do you need to rank in Diagnosis?
The median best seller has 62 reviews, and 63% of them have fewer than 100.
What do Diagnosis best sellers cost?
The median price is $57.07; half of the best sellers are priced between $34.98 and $88.59.
Can new books break into Diagnosis?
7% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.