Depression

CES-D: Center for Epidemiologic Studies Depression Scale

20-item NIMH depression scale measuring symptom frequency in the past week. Score 0–60; ≥16 indicates significant depressive symptoms. Public domain. Radloff (1977).

The CES-D is a 20-item validated measure of depressive symptom frequency over the past week. Score 0–60; cutoff ≥16 for significant depression. Originally developed at NIMH for population-level research. Free for clinical and research use.

What is the CES-D?

The CES-D (Center for Epidemiologic Studies Depression Scale) was developed by Lenore Radloff at the National Institute of Mental Health (NIMH) in 1977. Originally designed for use in population surveys rather than individual clinical evaluation, it has since become widely used in both epidemiological research and clinical screening contexts. It measures the frequency of depressive symptoms experienced during the past week.

The 20 items cover four domains: depressed affect, positive affect (reverse-scored), somatic and retarded activity, and interpersonal difficulties. Each item is rated on a frequency scale from 0 (Rarely/None of the time) to 3 (Most or all of the time). Four positively worded items (4, 8, 12, 16) are reverse-scored before summing. Total scores range from 0 to 60.

A score of ≥16 indicates clinically significant depressive symptoms warranting further assessment. The CES-D is in the public domain and free for clinical and research use. It is particularly useful for its four-subscale structure, which can help distinguish between different aspects of the depressive syndrome.

Rate how often you felt each way during the past week.

Educational reference only. Cannot diagnose or replace clinical evaluation.

CES-D Score Interpretation

Radloff (1977). The ≥16 cutoff has been validated across diverse populations in community and clinical samples.

Systematic Depression Screening in HiBoop

CES-D alongside PHQ-9 and HAM-D, automated scoring and longitudinal tracking to monitor depression across your patient panel.

Clinical Use:These results are intended to inform clinical decision-making in licensed practice. They do not replace evaluation by a qualified clinician.

Frequently Asked Questions

What is the CES-D?

The Center for Epidemiologic Studies Depression Scale (CES-D) is a 20-item self-report measure of depressive symptoms developed by Lenore Radloff at the National Institute of Mental Health in 1977. It was originally designed for use in population surveys but is now widely used in both epidemiological research and clinical screening. It assesses the frequency of depressive symptoms during the past week.

What is the CES-D clinical cutoff score?

A CES-D score of 16 or higher indicates clinically significant depressive symptoms warranting further evaluation. This cutoff has been validated across diverse community and clinical populations. Scores of 24 or above suggest a higher probability of major depressive disorder and should prompt a thorough clinical interview.

How is the CES-D used in research versus clinical practice?

In research, the CES-D is used as an epidemiological tool to estimate the prevalence of depressive symptoms in populations and to study risk factors for depression over time. In clinical practice, it functions as a screening tool to identify patients who may need further evaluation. Its four subscales covering depressed affect, positive affect, somatic symptoms, and interpersonal difficulties also make it useful for characterizing the profile of depressive symptoms.

How long does the CES-D take to complete?

The full 20-item CES-D typically takes 5 to 10 minutes to complete. A shorter 10-item version, the CES-D-10, is available for settings where brevity is a priority and takes approximately 3 to 5 minutes.

How does the CES-D compare to the PHQ-9?

The CES-D has 20 items and a reference period of one week, while the PHQ-9 has 9 items and a two-week reference period. Both use patient self-report. The PHQ-9 aligns directly with DSM diagnostic criteria for major depressive disorder, making it useful for tracking diagnostic-level symptoms. The CES-D is more commonly used in population-level research and captures a broader range of depressive experience, including positive affect through its reverse-scored items.

Does HiBoop support the CES-D?

Yes. HiBoop supports CES-D administration with automated scoring, including proper reverse-scoring of the four positive affect items, severity classification, and longitudinal tracking alongside other depression measures such as the PHQ-9 and HAM-D.

How does the CES-D compare… · Does HiBoop support the CES-D

References

  1. 1.
    Radloff LS. The CES-D Scale: a self-report depression scale for research in the general population. Appl Psychol Meas. 1977;1(3):385-401.View source

Bill this assessment

The CES-D: Center for Epidemiologic Studies Depression Scale qualifies for reimbursement under these CPT codes (US).

Last reviewed: Jun 2, 2026