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Digital Seminar

Mastering Differential Diagnosis with the DSM-5: A Symptom-Based Approach

Take your DSM-5® diagnostic skills to the next level! This advanced recording is designed specifically for mental health professionals seeking to master clinical diagnosis and differential diagnosis using the DSM-5®, ICD-10 and online assessment tools. The focus of this workshop is on the key symptoms for each diagnosis, common differential diagnoses and frequent comorbid disorders of anxiety, depressive, trauma-related, substance-related, psychotic and neurodevelopmental disorders. Case examples and studies are provided throughout – giving you the opportunity to learn and apply a four-step symptoms-based diagnostic method. Topics include the clinical intake interview, differential diagnoses, online assessment tools to narrow diagnosis and potential comorbidities.


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Margaret L. Bloom
6 Hours 18 Minutes
Audio and Video
28 Sep, 2018
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Digital Seminar - Also available: DVD
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Continuing Professional Development Certificates PsychOz Publications, in collaboration with PESI in the USA, offers quality online continuing professional development events from the leaders in the field at a standard recognized by professional associations including psychology, social work, occupational therapy, alcohol and drug professionals, counselling and psychotherapy. On completion of the training, a Professional Development Certificate is issued after the individual has answered and submitted a quiz and course evaluation. This online program is worth 6.25 hours CPD.



Margaret L. Bloom Related seminars and products: 3


Margaret (Peggy) L. Bloom, Ph.D., a licensed psychologist and NCC, is a Professor Emerita of Counselor Education and Counseling Psychology at Marquette University in Milwaukee, Wisconsin where she taught psychopathology, diagnosis and assessment and foundations of clinical mental health counseling. Previously she served on the faculties of Loyola University, Chicago, University of Memphis, Boston University, Overseas, and the University of Florida. Peggy is nationally recognized for her knowledge and expertise in assessment, DSM diagnosis and in counselor education. She is an appointed member of the Board of the Center for Credentialing & Education (National Board for Certified Counselors), an elected fellow of the American Psychological Association and a past-president of the Association for Counselor Education and Supervision. Peggy has published numerous journal articles and made professional presentations across the world.

Beginning with the introduction of the DSM-III-R, then the DSM-IV, and now the DSM-5®, Dr. Bloom has conducted DSM seminars across the United States for hundreds of psychologists, professional counselors, social workers and other mental health professionals. Peggy brings a unique interdisciplinary perspective to each DSM seminar. She began her career as a psychiatric nurse and earned graduate degrees in nursing, counseling, and counseling psychology. For a number of years she maintained a private therapy practice in addition to her university positions.

Bloom received her bachelor of science in nursing (with distinction) from the State University of New York at Buffalo, a master of science in psychiatric nursing from the University of California at San Francisco and a master’s in counseling and guidance from the University of Hawaii. She earned her Ph.D. in counseling psychology (education) from Arizona State University in Tempe. She also holds certificates in management and leadership in education from Harvard University.

Speaker Disclosure:

Financial: Margaret Bloom is a Professor of Counselor Education and Counseling Psychology at Marquette University. She receives a speaking honorarium from PESI, Inc.

Nonfinancial: Margaret Bloom has no relevant nonfinancial relationship to disclose.

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Program Information

Access for Self-Study (Non-Interactive)

Access never expires for this product.


  1. Apply a four-step diagnostic process to accurately identify and code a client’s diagnosis.
  2. Specify key symptoms and diagnostic criteria for frequently diagnosed mental disorders.
  3. Determine important differential diagnoses for anxiety, depressive, trauma-related, substance-related, and neurodevelopmental disorders.
  4. Analyze differential diagnoses for children who present with disruptive behavior.
  5. Differentiate between overlapping symptoms and comorbid conditions in order to provide the correct diagnosis.
  6. Utilize the DSM-5® severity tables, assessment tools, and coding notes to improve the accuracy of diagnosis and ICD-10 coding.


DSM-5® and ICD-10 Diagnosis Quick Review
  • Use of criteria sets, specifiers, and coding notes
  • Options if diagnosis unclear
  • Combining ICD-10 and the DSM-5® to code and name mental disorders
  • Online DSM resources and diagnosis updates
Four-Step Diagnostic Method
  • Goals of the intake interview
  • Steps to a DSM-5® diagnosis
    • Broad opening: client behavior sample
    • Identifying key DSM-5® symptom clusters
    • Differential diagnosis
    • Focused interviewing for specific disorders
  • Four-Steps case example
Assessment Tools for Diagnosis
  • DSM-5® cross-cutting symptom measures and screening tools
  • Assessments for alcohol, drug and tobacco use
Differential Diagnosis of Specific DSM-5® Mental Disorders

  • Major Depressive Disorder vs. Persistent Depressive Disorder
  • Major Depressive Disorder vs. Bipolar II Disorder
  • Depressive disorders vs. Anxiety Disorders
  • Depressive disorders vs. Adjustment Disorder
  • Medical conditions with depressive symptoms
  • Frequent comorbid disorders
  • Comparing the cases of Winona and Frank
Fear and Anxiety
  • Generalized Anxiety Disorder vs. Social Anxiety Disorder
  • Panic Disorder vs. Medication Induced Anxiety
  • Generalized Anxiety Disorder vs. Somatic Symptom Disorder
  • Medical conditions with anxiety symptoms
  • Frequent comorbid disorders
  • Case: “Carlos hates shopping”
Abnormal or Impaired Cognition
  • Case: “What is wrong with my son?”
  • Psychosis as a key symptom
    • Schizophrenia Spectrum disorders vs. Bipolar disorders
    • Schizoaffective Disorder vs. Schizophrenia
    • Comorbid substance use disorders
  • Cognitive Deficits as a key symptom
    • Neurodevelopmental disorders
    • Autism Spectrum Disorder
    • Attention Deficit/Hyperactivity Disorder
    • Neurocognitive disorders”
Repetitive Thoughts and Behaviors
  • Obsessive-Compulsive Disorder vs. Anxiety disorders
  • Body Dysmorphic Disorder vs. Eating disorders
  • Hoarding
  • Excoriation disorders vs. Non-suicidal Self-injury
  • Frequent comorbid disorders
Experiences of Stress and Trauma
  • Trauma as a catalyst for mental disorders
  • Posttraumatic Stress Disorder differential diagnosis
  • Adjustment disorders differential diagnosis
  • Frequent comorbid disorders
  • Case: Lt. Brown
Substance Use or Addictive Behaviors
  • Substance Use disorders as a catalyst for other mental disorders
  • Gambling Disorder as an addiction
  • Substance use and comorbid disorders
  • Current drugs in America quiz
Children with Disruptive Behaviors
  • Disruptive Mood Dysregulation Disorder vs. Oppositional Defiant Disorder
  • Reactive Attachment Disorder
  • ODD or Conduct Disorder vs. Attention Deficit/Hyper activity Disorder
  • Frequent comorbid disorders

Target Audience

  • Counselors
  • Social Workers
  • Psychologists
  • Case Managers
  • Addiction Counselors
  • Therapists
  • Marriage & Family Therapists
  • Nurses
  • Nurse Practitioners
  • Other Mental Health Professionals



Overall:      4.4

Total Reviews: 997


Joan B - Aurora, Colorado

"Margaret Bloom is a very gifted presenter. She is organized, open to questions, and very knowledgeable."

Shirley M - Hutchinson, Kansas

"Margaret Bloom was knowledgable as well as entertaining."

Veronica H - CHATTANOOGA, Tennessee

"Found to be very beneficial."

Chris C - St.Petesburg, Florida

"I learned a lot from the seminar. Thanks!"

Lynda B - WINONA, Minnesota

"This was an excellent seminar! Learned a lot!!"

Elizabeth W - LEESBURG, Virginia

"Dr. Bloom was an incredible presenter. I am SO THANKFUL I bought this course and I learned so much from her strategy for doing differential diagnosis. I will use so much of what she has taught me in working with my clients as well as in teaching my students in the future. "

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