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Trends in Lipid Testing among Commercially Insured Patients with Diagnosed CKD

The prevalence of patients with diagnosed CKD receiving lipid testing was 43.1% in 2007 and 60.2% in 2020. Lipid testing tended to be more frequent with older age. The percentage of lipid testing tended to be higher for patients with diabetes than without diabetes and for patients with hypertension than without hypertension.

Data Source: Clinformatics Commercial

To view lipid testing by risk categories, select from the drop-down menu below. Risk categories include: Overall, Age Category, Sex, Race/Ethnicity, CKD Stage, Diabetes, and Hypertension.

Lipid Testing (%), Overall

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Lipid Testing among Commercially Insured Patients with Diagnosed CKD by Overall (%) Clinformatics Commercial
2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
43.1 (95% CI: 42.7-43.5)	47.0 (95% CI: 46.6-47.4)	52.3 (95% CI: 51.9-52.6)	55.7 (95% CI: 55.4-56.0)	57.6 (95% CI: 57.3-57.8)	59.5 (95% CI: 59.2-59.7)	61.0 (95% CI: 60.8-61.2)	54.0 (95% CI: 53.8-54.3)	62.8 (95% CI: 62.6-63.0)	64.1 (95% CI: 64.0-64.3)	63.1 (95% CI: 62.9-63.2)	64.2 (95% CI: 64.1-64.4)	64.9 (95% CI: 64.8-65.0)	60.2 (95% CI: 60.1-60.3)

Data includes CKD stages 1–5. Data are not adjusted.

Clinformatics data sets provide paid medical and prescription claims and enrollment information for participants in commercial insurance plans and Medicare Advantage plans. The sample was limited to those enrolled in their health plan for all 12 months of the calendar year. Chronic kidney disease (CKD) and diabetes are defined using the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM), or Tenth Revision (ICD-10-CM) diagnosis codes. Outpatient pharmacy records of prescriptions filled for patients were examined for drugs in the sodium-glucose cotransporter-2 (SGLT2) inhibitors class. For inclusion in analyses, beneficiaries had to be in the enrollment file. To define CKD, diabetes, or hypertension, at least one inpatient or two outpatient claims were used.

Field	Data
Description of Measure	Lipid testing rates of patients with CKD diagnosis in the prior calendar year in the Clinformatics Commercial population.
Data Set	Clinformatics Commercial from Optum Clinformatics Data Mart Database (Optum Insight, Eden Prairie, MN).
Population	Privately insured patients aged ≥ 20 years with at least one inpatient or two outpatient claims during the calendar year.
Years Included	2007–2020.
Numerator	Patients aged ≥ 20 years with lipid testing claims within the specified calendar year.
Denominator	Patients aged ≥ 20 years enrolled in Clinformatics Commercial insurance and diagnosed with CKD.
Definition of CKD	ICD-9-CM and ICD-10-CM diagnosis codes shown below.
ICD-10-CM Codes for CKD	Stages 1–2: N17.1, N17.2 Stages 3–5: N17.3, N17.4, N17.5 Any CKD: A18.11, A52.75, B52.0, C64.x, C68.9, D30.0x, D41.0x-D41.2x, D59.3, E08.2x, E09.2x, E10.2x, E10.65, E11.2x, E11.65, E13.2x, E74.8, I12.xx, I13.0, I13.1x, I13.2, K76.7, M10.3x, M32.14, M32.15, N01.x-N08.x, N13.1, N13.1x-N13.39, N14.x,N15.0, N15.8, N15.9, N16, , N18.1-N18.5, N18.8, N18.9, N19, N25.xx, N26.1, N26.9, O10.4xx, O12.xx, O26.83x, O90.89, Q61.02, Q61.1x-Q61.8, Q26.0-Q26.39, R94.4 (x and xx stand for all the codes within the main diagnosis).
ICD-9-CM Codes for CKD	Stages 1–2: 585.1, 585.2 Stages 3–5: 585.3, 585.4, 585.5 Any CKD: 016.0, 095.4, 189.0,189.1, 189.9, 236.91, 250.4, 250.41, 250.42, 250.43, 271.4, 274.10, 283.11, 403.xx, 404.xx, 405.01, 405.11, 440.1, 442.1, 447.3, 453.3, 573.4, 580.xx, 581.xx, 582.xx, 583.xx, 584.5, 585.x, 587.xx, 588.xx, 590.xx, 591, 592.x, 593.xx, 642.1, 646.2, 753.xx, 794.4
Lipid Testing	Lipid Panel, Lipoprotein, Triglycerides, and Lipid Testing is identified by Current Procedural Terminology (CPT®) codes (83718, 83721, 80061, 82465, 83719, and 84478).
Limitations of Indicator	As a measure of prevalence, the use of ICD-9-CM or ICD-10-CM diagnosis codes will underestimate CKD.
Analytical Considerations	Consideration must be taken in comparisons based on diagnosis code-based definitions of CKD.