Surgery Trend Ranking in MDV Data (2021)

1. What Kind of Information is included in MDV Database?

MDV database contains medical treatment, disease, and partial blood test result information allowing different analyses by pharmaceutical companies, medical device manufacturers, academia, research institutions, and health insurance companies.
For surgery or any medical treatment other than medication, it is important to note that the categories and code system used in Japan is unique. For example, surgeries are all referred as “K code” category. These codes can be used to pinpoint number of patients as well as volume of surgeries.

2. Surgery Trend Ranking in MDV Data (January 2021 - December 2021)

MDV Database contains more than 40 million patient data from over 460 hospitals in Japan:

No	Health Claim Number Code	Health Claim Number Name	Number of Patients
1	K000	Wound processing	319,735
2	K920-2	Blood transfusion management fee	192,646
3	K920	Transfusion	183,257
4	K721	Endoscopic large intestine polypectomy/membrane resection	180,228
5	K931	Ultrasonic coagulation incision apparatus and others add-on fee	141,799
6	K282	Lens reconstruction surgery	80,976
7	K936	Auto-suture device add-on fee	72,874
8	K046	Invasive fracture surgery	54,505
9	K549	Percutaneous coronary artery stenting	36,555
10	K005	Skin, subdermal tumor extirpation (exposed part)	34,173
11	K142	Spinal fusion, laminectomy, laminoplasty (including multiple intervertebral or multiple vertebral arch surgery)	27,166
12	K001	Skin incision	26,712
13	K672-2	Laparoscopic cholecystectomy	26,696
14	K688	Endoscopic biliary stenting	25,629
15	K595	Percutaneous catheter ablation	25,250
16	K082	Artificial joint replacement	25,211
17	K939	Surgery support by imaging and others add-on fee	25,007
18	K006	Skin, subdermal tumor extirpation (except exposed part)	24,471
19	K898	Caesarean delivery	23,096
20	K476	Malignant breast tumor surgery	22,429

Various surgeries for different diseases can be observed as MDV database consist of hospitals that have capabilities to treat both acute and chronic diseases. Blood test results can be combined in the survey to support a more comprehensive analysis.