Healthcare
24 columns
200 rows
8 formats

Healthcare Diagnostic Error Analysis

This dataset provides detailed records of diagnostic errors in clinical settings, including patient demographics, clinician roles, error types, severity, outcomes, and organizational context. It enables healthcare organizations to analyze diagnostic accuracy, identify patterns in errors, and support targeted quality improvement and compliance initiatives. The comprehensive structure facilitates benchmarking, risk analysis, and regulatory reporting.

last updated 20 Aug 2025
by GoMask

The brief that made it

Diagnostic error rate analysis and benchmarking

Sample rows

preview · 8 of 200 rows · all 24 columns

diagnostic_error_idinteger	outcome_impactstring	patient_ageinteger	compliance_flagboolean	organization_statestring	patient_idstring	patient_genderstring	diagnosis_datedate	clinical_settingstring	diagnosis_codestring	diagnosis_descriptionstring	error_typestring	error_detected_datedate	error_severitystring	clinician_idstring	clinician_rolestring	organization_idstring	organization_namestring	organization_citystring	organization_postal_codestring	organization_countrystring	follow_up_requiredboolean	error_descriptionstring	quality_improvement_actionstring
1	minor	7	false	CA	PAT1001	female	2024-03-14	emergency	J20.9	Acute bronchitis, unspecified	missed	2024-03-17	moderate	CLIN2001	resident	ORG1001	Central Valley Medical Center	Fresno	93722	USA	true	Initial symptoms attributed to allergy, bronchitis diagnosis not made until follow-up.	blank
2	none	62	false	AZ	PAT1002	male	2024-04-11	outpatient	I10	Essential (primary) hypertension	incorrect	2024-04-14	low	CLIN2002	physician	ORG1002	Westside Family Health	Phoenix	85021	USA	false	Hypertension incorrectly coded as secondary, corrected after pharmacy review.	blank
3	fatal	88	true	MA	PAT1003	male	2023-11-25	inpatient	N18.6	End stage renal disease	delayed	2023-12-07	critical	CLIN2003	physician	ORG1003	Metro Regional Hospital	Boston	02118	USA	true	Renal failure progression not recognized, dialysis initiation delayed by 12 days.	Renal consult protocol revised for early assessment.
4	moderate	34	true	TX	PAT1004	female	2024-05-08	outpatient	E11.9	Type 2 diabetes mellitus without complications	incorrect	2024-05-09	moderate	CLIN2004	nurse	ORG1004	Greenway Primary Care	Austin	78701	USA	true	Patient incorrectly diagnosed with Type 1 diabetes, corrected after lab results.	Lab result review process updated for accuracy.
5	severe	14	true	GA	PAT1005	other	2024-01-22	emergency	S06.0X0A	Concussion without loss of consciousness	missed	2024-01-25	high	CLIN2005	resident	ORG1005	Eastside Children's Hospital	Atlanta	30342	USA	true	Concussion symptoms not recognized, patient discharged with headache diagnosis.	Head injury checklist implemented in ER.
6	severe	77	true	CA	PAT1006	female	2024-02-03	inpatient	J44.9	Chronic obstructive pulmonary disease, unspecified	delayed	2024-02-08	high	CLIN2006	physician	ORG1006	St. Mary's Medical Center	San Jose	95128	USA	true	COPD exacerbation not identified, delayed treatment for 5 days.	COPD alert system added to EHR.
7	none	24	false	FL	PAT1007	male	2024-06-10	outpatient	J45.909	Unspecified asthma, uncomplicated	incorrect	2024-06-11	low	CLIN2007	resident	ORG1007	Sunrise Health Clinic	Miami	33130	USA	false	Asthma incorrectly coded as chronic bronchitis.	blank
8	fatal	92	true	OH	PAT1008	female	2024-03-23	inpatient	F03.90	Unspecified dementia without behavioral disturbance	delayed	2024-04-02	critical	CLIN2008	physician	ORG1008	Riverbend Elder Care Center	Columbus	43215	USA	true	Dementia diagnosis delayed due to incomplete cognitive assessment.	Cognitive assessment form added to intake.
9	severe	11	true	TX	PAT1009	unknown	2023-12-19	emergency	A09	Infectious gastroenteritis and colitis, unspecified	missed	2023-12-21	high	CLIN2009	nurse	ORG1009	Pediatric Care Center	Dallas	75231	USA	true	Gastroenteritis not recognized, dehydration risk increased.	Dehydration screening protocol implemented.
10	moderate	39	true	WA	PAT1010	female	2024-02-27	outpatient	F41.1	Generalized anxiety disorder	missed	2024-03-17	moderate	CLIN2010	physician	ORG1010	Harbor Mental Health Associates	Seattle	98109	USA	true	Anxiety symptoms attributed to physical illness, diagnosis delayed by 3 weeks.	Mental health screening expanded at intake.
11	none	45	false	OR	PAT1011	male	2024-01-09	outpatient	M54.5	Low back pain	incorrect	2024-01-11	low	CLIN2011	nurse	ORG1011	Northwest Family Care	Portland	97210	USA	false	Back pain coded as sciatica, corrected during insurance review.	blank
12	minor	29	true	WI	PAT1012	female	2024-05-21	outpatient	K21.9	Gastro-esophageal reflux disease without esophagitis	incorrect	2024-05-23	moderate	CLIN2012	resident	ORG1012	Madison Health Group	Madison	53703	USA	true	Symptoms misattributed to peptic ulcer, GERD diagnosis delayed.	GERD diagnostic checklist added for clinicians.
13	fatal	90	true	CO	PAT1013	male	2024-02-14	inpatient	I50.9	Heart failure, unspecified	missed	2024-02-20	critical	CLIN2013	physician	ORG1013	Starlight Senior Medical Center	Denver	80218	USA	true	Heart failure not recognized, patient treated for pneumonia.	Heart failure training for hospitalists.
14	severe	15	true	IL	PAT1014	female	2024-04-03	inpatient	F32.9	Major depressive disorder, single episode, unspecified	delayed	2024-04-12	high	CLIN2014	resident	ORG1014	Midwest Youth Hospital	Chicago	60614	USA	true	Depressive symptoms overlooked, diagnosis delayed until psychiatric consult.	Psych screening required for all admissions.
15	none	53	false	MN	PAT1015	male	2024-06-02	outpatient	E78.5	Hyperlipidemia, unspecified	incorrect	2024-06-04	low	CLIN2015	nurse	ORG1015	Suburban Endocrine Clinic	Minneapolis	55407	USA	false	Hyperlipidemia miscoded as hypothyroidism, corrected in follow-up.	blank
16	minor	28	true	TX	PAT1016	other	2024-03-29	outpatient	M25.561	Pain in right knee	incorrect	2024-04-01	moderate	CLIN2016	resident	ORG1016	South End Sports Medicine	Houston	77030	USA	true	Knee pain incorrectly coded as joint sprain, corrected after imaging.	Imaging referral policy updated.
17	minor	3	false	CA	PAT1017	female	2024-05-16	emergency	J00	Acute nasopharyngitis [common cold]	missed	2024-05-18	moderate	CLIN2017	nurse	ORG1017	Children's Urgent Care Center	Sacramento	95817	USA	true	Cold symptoms mistaken for allergies, viral infection not treated.	blank
18	severe	73	true	UT	PAT1018	female	2024-02-10	inpatient	J18.9	Pneumonia, unspecified organism	delayed	2024-02-18	high	CLIN2018	physician	ORG1018	Western Geriatric Hospital	Salt Lake City	84113	USA	true	Pneumonia diagnosis delayed, initial antibiotics not started for 8 days.	Antibiotic stewardship program revised.
19	none	22	false	CA	PAT1019	male	2024-03-07	outpatient	L40.0	Psoriasis vulgaris	other	2024-03-14	low	CLIN2019	resident	ORG1019	Sunset Dermatology Group	Los Angeles	90017	USA	false	Skin condition misclassified, proper diagnosis established after dermatology referral.	blank
20	minor	51	true	MI	PAT1020	female	2024-06-14	outpatient	E66.9	Obesity, unspecified	delayed	2024-06-21	moderate	CLIN2020	physician	ORG1020	Lakeshore Wellness Center	Detroit	48202	USA	true	Obesity diagnosis delayed, initial focus on unrelated symptoms.	Weight management protocol updated.

What the 200 rows show

from the 200-row sample

Fatal (outcome impact) stands out: mean patient_age is 83.0, against 37.2 for the rest.

67%compliance_flag = true
40median patient_age
4patient genders
4clinical settings
4error types
4error severities

Mean patient_age by outcome_impact200 rows

patient_age200 rows, in bands of 20

Median 40, from 3 to 101.

organization_state200 rows · top 10 of 39 values

CA22
TX15
FL14
OH10
NC10
MO9
TN8
IL7
WA6
CO6

24 columns by typefrom the column list below

string 18
integer 2
date 2
boolean 2

Columns

24 columns in four groups

blueprint · 24 columns
column	type	description	example
Text 18 columns
`patient_id`	string	Unique identifier for the patient involved in the diagnostic event	PAT1001
`patient_gender`	string	Gender of the patientmale · female · other · unknown	female
`clinical_setting`	string	Type of clinical setting where the diagnosis occurred (e.g., ER, outpatient, inpatient)emergency · outpatient · inpatient · other	emergency
`diagnosis_code`	string	Standardized code for the diagnosed condition (e.g., ICD-10)	J20.9
`diagnosis_description`	string	Description of the diagnosed condition	End stage renal disease
`error_type`	string	Type of diagnostic error (e.g., missed, delayed, incorrect)missed · delayed · incorrect · other	missed
`error_description`	string	Detailed description of the diagnostic error	Initial symptoms attribut…
`error_severity`	string	Severity level of the diagnostic errorlow · moderate · high · critical	moderate
`clinician_id`	string	Unique identifier for the clinician responsible for the diagnosis	CLIN2001
`clinician_role`	string	Role of the clinician (e.g., physician, nurse, resident)physician · nurse · resident · other	resident
`organization_id`	string	Unique identifier for the healthcare organization	ORG1001
`organization_name`	string	Name of the healthcare organization	Westside Family Health
`organization_city`	string	City where the healthcare organization is located	Fresno
`organization_state`	string	State where the healthcare organization is located	CA
`organization_postal_code`	string	Postal code of the healthcare organization	93722
`organization_country`	string	Country where the healthcare organization is located	USA
`quality_improvement_action`	string	Description of actions taken for quality improvement following the erroroptional	Renal consult protocol re…
`outcome_impact`	string	Impact of the error on patient outcomenone · minor · moderate · severe · fatal	minor
Numbers 2 columns
`diagnostic_error_id`	integer	Unique identifier for each diagnostic error recordunique	1
`patient_age`	integer	Age of the patient at the time of diagnosis0 to 120	7
Dates and times 2 columns
`diagnosis_date`	date	Date when the diagnosis was made	2024-03-14
`error_detected_date`	date	Date when the diagnostic error was identified	2024-03-17
True or false 2 columns
`compliance_flag`	boolean	Indicates if the error was reported for compliance purposes	false
`follow_up_required`	boolean	Indicates if follow-up was required due to the error	true

Healthcare Diagnostic Error Analysis

Sample rows

What the 200 rows show

Columns

Use it for

A healthcare dashboard

A root-cause class exercise

A software demo

Make it yours.

Same schema. As many rows as you need.

What should your data show?

Sample rows

What the 200 rows show

Columns

Use it for

A healthcare dashboard

A root-cause class exercise

A software demo

Make it yours.

Same schema. As many rows as you need.

More in Healthcare

What should your data show?