The Kuala Lumpur Hospital or commonly known as HKL (Hospital Kuala Lumpur) has 53 different departments and units.

These include the administration & finance department, the pharmaceutical department, training and research, 28 clinical departments and 12 clinical support services.
Hospital Kuala Lumpur is now the largest hospital under the Ministry of Health of Malaysia and is considered to be one of the biggest in Asia. It is a government tertiary referral hospital, located on 150 acres of prime land with 83 wards and 2300 beds.
View of the 5-storey hospital's main block as you approach from the Maternity Hospital. The building on the right foreground is part of the Radiotherapy Outpatient Clinic. HKL has a huge staff of 7 000 workers with almost 100 professions in various fields and disciplines. Out of the total number of staff, there are about 200 consultants and specialists, 500 medical officers and registrars, 32 matrons, 221 sisters (ward managers), 3,101 registered nurses, 253 community nurse, 6 trained assistant nurses and 1 trained mid-wives. The remaining staff are pharmacists, tutors, assistant pharmacists, medical assistants, administrative personnel and hospital attendants.