International classification of diseases (ICD)-11 is expected to be operative on the first day of January 2022. The key principle in this revision is simplification of the coding structure, electronic tooling, along with incorporation of advancements that occurred over past 30 years, since the publication of ICD-10. For a classification of mental disorders, development of the ICD-11 has been the most global, multilingual, multidisciplinary, and participative revision process by far. Adoption of a life-span approach, incorporation of a dimensional approach, provision of consistent and systematically characterized information as per recent evidence, and culture-related guidance along with effort for destigmatization are the salient features of this revision. In this review, we highlighted the process of developing the clinical description and diagnostic guidelines (CDDG), discussed the new disorders that were added with rationale, and last described the salient features of disorder grouping, pointing the key changes from ICD-10.
World Health Organization. ICD-11 for mortality and morbidity statistics (ICD-11 MMS) 2018 version. https://icd.who.int/browse11/l-m/en.
First MB, Rebello TJ, Keeley JW, et al. Do mental health professionals use diagnostic classifications the way we think they do? A global survey. World Psychiatry 2018;17(2):187–195. DOI: 10.1002/wps.20525.
International Advisory Group for the Revision of ICD-10 Mental and Behavioral Disorders. A conceptual framework for the revision of the ICD-10 classification of mental and behavioral disorders. World Psychiatry 2011;10:86–92. DOI: 10.1002/j.2051-5545.2011.tb00022.x.
Bank W. World Bank country and lending groups. World Bank Data Help Desk Washington, DC; 2017.
First MB. The importance of developmental field trials in the revision of psychiatric classifications. Lancet Psychiatry 2016;3(6):579–584. DOI: 10.1016/S2215-0366(16)00048-1.
Keeley JW, Reed GM, Roberts MC, et al. Developing a science of clinical utility in diagnostic classification systems: Field study strategies for ICD-11 mental and behavioral disorders. Am Psychol 2016;71(1):3. DOI: 10.1037/a0039972.
Reed GM, Keeley JW, Rebello TJ, et al. Clinical utility of ICD-11 diagnostic guidelines for high-burden mental disorders: results from mental health settings in 13 countries. World Psychiatry 2018;17(3):306–315. DOI: 10.1002/wps.20581.
Clark LA, Cuthbert B, Lewis-Fernández R, et al. Three approaches to understanding and classifying mental disorder: ICD-11, DSM-5, and the National Institute of Mental Health’s Research Domain Criteria (RDoC). Psychol Sci Public Interest 2017;18(2):72–145. DOI: 10.1177/1529100617727266.
Markon KE. Modeling psychopathology structure: a symptom-level analysis of axis I and II disorders. Psychol Med 2010;40(2):273–288. DOI: 10.1017/S0033291709990183.
Reed GM. Progress in developing a classification of personality disorders for ICD-11. World Psychiatry 2018;17(2):227–229. DOI: 10.1002/wps.20533.
Roberts MC, Reed GM, Medina-Mora ME, et al. A global clinicians’ map of mental disorders to improve ICD-11: analysing meta-structure to enhance clinical utility. Int Rev Psychiatry 2012;24(6):578–590. DOI: 10.3109/09540261.2012.736368.
Reed GM, Roberts MC, Keeley J, et al. Mental health professionals’ natural taxonomies of mental disorders: implications for the clinical utility of the ICD-11 and the DSM-5. J Clin Psychol 2013;69(12):1191–1212. DOI: 10.1002/jclp.22031.
Reed GM, Drescher J, Krueger RB, et al. Disorders related to sexuality and gender identity in the ICD-11: revising the ICD-10 classification based on current scientific evidence, best clinical practices, and human rights considerations. World Psychiatry 2016;15(3):205–221. DOI: 10.1002/wps.20354.
Chakrabarti SU. Psychotic and catatonic presentations in bipolar and depressive disorders. World Psychiatry 2012;11(Suppl 1):59–64.
Vieta E, Suppes T. Bipolar II disorder: arguments for and against a distinct diagnostic entity. Bipolar Disord 2008;10(1p2):163–178. DOI: 10.1111/j.1399-5618.2007.00561.x.
Solé B, Martínez-Arán A, Torrent C, et al. Are bipolar II patients cognitively impaired? A systematic review. Psychol Med 2011;41(9):1791–1803. DOI: 10.1017/S0033291711000018.
Wang Z, Li Z, Chen J, et al. Association of BDNF gene polymorphism with bipolar disorders in Han Chinese population. Genes Brain Behav 2012;11(5):524–528. DOI: 10.1111/j.1601-183X.2012.00797.x.
Chou Y-H, Wang S-J, Lin C-L, et al. Decreased brain serotonin transporter binding in the euthymic state of bipolar I but not bipolar II disorder: a SPECT study. Bipolar Disord 2010;12(3):312–318. DOI: 10.1111/j.1399-5618.2010.00800.x.
Ha TH, Ha K, Kim JH, et al. Regional brain gray matter abnormalities in patients with bipolar II disorder: a comparison study with bipolar I patients and healthy controls. Neurosci Lett 2009;456(1):44–48. DOI: 10.1016/j.neulet.2009.03.077.
Stein DJ, Kogan CS, Atmaca M, et al. The classification of obsessive-compulsive and related disorders in the ICD-11. J Affect Disord 2016;190:663–674. DOI: 10.1016/j.jad.2015.10.061.
Veale D, Matsunaga H. Body dysmorphic disorder and olfactory reference disorder: proposals for ICD-11. Rev Bras Psiquiatr 2014;36(Suppl 1):14–20. DOI: 10.1590/1516-4446-2013-1238.
Suzuki K, Takei N, Iwata Y, et al. Do olfactory reference syndrome and jikoshu-kyofu (a subtype of taijin-kyofu) share a common entity? Acta Psychiatr Scand 2004;109:150–155. DOI: 10.1046/j.1600-0447.2003.00195.x.
Mataix-Cols D, Fernández de la Cruz L. Hoarding disorder has finally arrived, but many challenges lie ahead. World Psychiatry 2018;17(2):224–225. DOI: 10.1002/wps.20531.
Timpano KR, Exner C, Glaesmer H, et al. The epidemiology of the proposed DSM-5 hoarding disorder: exploration of the acquisition specifier, associated features, and distress. J Clin Psychiatry 2011. DOI: 10.4088/JCP.10m06380.
Fontanelle LF, Grant JE. Hoarding disorder: a new diagnostic category in ICD-11. Rev Bras Psiquiatr 2014;36(Suppl 1):28–39. DOI: 10.1590/1516-4446-2013-1269.
Grant JE, Stein DJ. Body-focused repetitive behavior disorders in ICD-11. Braz J Psychiatry 2014;36:59–64. DOI: 10.1590/1516-4446-2013-1228.
Maercker A, Brewin CR, Bryant RA, et al. Diagnosis and classification of disorders specifically associated with stress: proposals for ICD-11. World Psychiatry 2013;12(3):198–206. DOI: 10.1002/wps.20057.
Shear K, Frank E, Houck PR, et al. Treatment of complicated grief: a randomized controlled trial. JAMA 2005;293(21):2601–2608. DOI: 10.1001/jama.293.21.2601.
Uher R, Rutter M. Classification of feeding and eating disorders: review of evidence and proposals for ICD-11. World Psychiatry 2012;11(2):80–92. DOI: 10.1016/j.wpsyc.2012.05.005.
Al-Adawi S, Bax B, Bryant-Waugh R, et al. Revision of ICD–status update on feeding and eating disorders. Adv Eat Disord 2013;1(1):10–20. DOI: 10.1080/21662630.2013.742971.
First MB, Fisher CE. Body integrity identity disorder: the persistent desire to acquire a physical disability. Psychopathology 2012;45(1):3–14. DOI: 10.1159/000330503.
Saunders JB, Hao W, Long J, et al. Gaming disorder: its delineation as an important condition for diagnosis, management, and prevention. J Behav Addict 2017;6:271–279. DOI: 10.1556/2006.6.2017.039.
Kraus SW, Krueger RB, Briken P, et al. Compulsive sexual behavior disorder in the ICD-11. World Psychiatry 2018;17(1):109–110. DOI: 10.1002/wps.20499.
Coccaro EF. Intermittent explosive disorder as a disorder of impulsive aggression for DSM-5. Am J Psychiatry 2012;169(6):577–588. DOI: 10.1176/appi.ajp.2012.11081259.
Figueira ML, Dias VV. Postpartum depression and premenstrual dysphoric disorder: options for ICD-11. World Psychiatry 2012;11(Suppl 1):73–76.
Tassé MJ, Balboni G, Navas P, et al. Developing behavioral indicators for intellectual functioning and adaptive behavior for ICD-11 disorders of intellectual development. J Intellect Disabil Res 2019;63(5):386–407. DOI: 10.1111/jir.12582.
Gaebel W. Status of psychotic disorders in ICD-11. US: Oxford University Press; 2012.
McGlinchey JB, Zimmerman M, Young D, et al. Diagnosing major depressive disorder VIII: are some symptoms better than others? J Nerv Ment Dis 2006;194(10):785–790. DOI: 10.1097/01.nmd.0000240222.75201.aa.
Paykel E, Andrade LH, Njenga F, et al. Changes needed in the classification of depressive disorders: options for ICD-11. World Psychiatry 2012;11(Suppl 1):37–42.
Kogan CS, Stein DJ, Maj M, et al. The classification of anxiety and fear-related disorders in the ICD-11. Depress Anxiety 2016;33(12):1141–1154. DOI: 10.1002/da.22530.
Gureje O, Reed GM. Bodily distress disorder in ICD-11: problems and prospects. World Psychiatry 2016;15:291–292. DOI: 10.1002/wps.20353.
Fauth-Bühler M, Mann K, Potenza MN. Pathological gambling: a review of the neurobiological evidence relevant for its classification as an addictive disorder. Addict Biol 2017;22(4):885–897. DOI: 10.1111/adb.12378.
McLaughlin KA, Green JG, Hwang I, et al. Intermittent explosive disorder in the national comorbidity survey replication adolescent supplement. Arch Gen Psychiatry 2012;69(11):1131–1139. DOI: 10.1001/archgenpsychiatry.2012.592.
Lochman JE, Evans SC, Burke JD, et al. An empirically based alternative to DSM-5’s disruptive mood dysregulation disorder for ICD-11. World Psychiatry 2015;14(1):30–33. DOI: 10.1002/wps.20176.
Evans SC, Burke JD, Roberts MC, et al. Irritability in child and adolescent psychopathology: an integrative review for ICD-11. Clin Psychol Rev 2017;53:29–45. DOI: 10.1016/j.cpr.2017.01.004.
Krueger RB, Reed GM, First MB, et al. Proposals for paraphilic disorders in the international classification of diseases and related health problems, eleventh revision (ICD-11). Arch Sex Behav 2017;46:1529–1545. DOI: 10.1007/s10508-017-0944-2.
Gaebel W, Jessen F, Kanba S. Neurocognitive disorders in ICD-11: the debate and its outcome. World Psychiatry 2018;17:229–230. DOI: 10.1002/wps.20534.