| Laboratory | Supporting Information | |
| LABORATORY (retired) | Class | |
| LABORATORY CODE | Attribute | |
| LABORATORY CODE | Data Element | |
| LABORATORY NAME (retired) | Attribute | |
| LABORATORY RESULT AUTHORISED DATE | Data Element | |
| LABORATORY TYPE (retired) | Attribute | |
| Labour | Supporting Information | |
| Labour and Delivery | Supporting Information | |
| LABOUR AND DELIVERY IDENTIFIER | Data Element | |
| LABOUR FIRST STAGE LENGTH (retired) | Attribute | |
| LABOUR ONSET METHOD CODE (NATIONAL NEONATAL DATA SET) | Data Element | |
| LABOUR ONSET METHOD CODE FOR NATIONAL NEONATAL DATA SET | Attribute | |
| LABOUR OR DELIVERY ONSET METHOD | Attribute | |
| LABOUR OR DELIVERY ONSET METHOD (retired) | Data Element | To top |
| LABOUR OR DELIVERY ONSET METHOD CODE | Data Element | |
| LABOUR PROFESSIONAL PRIOR INVOLVEMENT (retired) | Attribute | |
| LABOUR SECOND STAGE LENGTH (retired) | Attribute | |
| LACTATE DEHYDROGENASE CONCENTRATION (retired) | Data Element | |
| LACTATE DEHYDROGENASE LEVEL (NORMAL UPPER LIMIT) (retired) | Data Element | |
| LACTATE DEHYDROGENASE LEVEL (PEAK AT DIAGNOSIS) | Data Element | |
| LACTATE DEHYDROGENASE LEVEL (retired) | Attribute | |
| LACTATE DEHYDROGENASE LEVEL (retired) | Data Element | |
| LAMINAR FLOW SYSTEM INDICATOR (retired) | Attribute | |
| LAMINAR FLOW SYSTEM INDICATOR (retired) | Data Element | |
| LANGUAGE | Class | |
| LANGUAGE (retired) | Data Element | |
| LANGUAGE CLASSIFICATION CODE (retired) | Attribute | |
| LANGUAGE CODE | Attribute | |
| LANGUAGE CODE (PREFERRED) | Data Element | To top |
| LANGUAGE CODE (TREATMENT) | Data Element | |
| LANGUAGE USAGE (retired) | Data Element | |
| LANGUAGE USAGE (retired) | Attribute | |
| Laparoscopy | Supporting Information | |
| LAPAROTOMY FOR NECROTISING ENTEROCOLITIS INDICATION CODE | Attribute | |
| LAPAROTOMY FOR NECROTISING ENTEROCOLITIS INDICATION CODE | Data Element | |
| LARGEST LESION FEATURES (RADIOLOGICAL) (retired) | Data Element | |
| LARGEST METASTASIS | Attribute | |
| LARGEST METASTASIS (LEFT NECK) | Data Element | |
| LARGEST METASTASIS (RIGHT NECK) | Data Element | |
| Laser Treatment | Supporting Information | |
| LAST CONTACT DATE (LIVING DONOR) (retired) | Data Element | |
| LAST DISCHARGE DATE (retired) | Attribute | |
| LAST DNA OR PATIENT CANCELLED DATE | Data Element | |
| LAST DNA OR PATIENT CANCELLED DATE STATUS (retired) | Data Element | To top |
| Last Dosage Date (retired) | Supporting Information | |
| Last Dosage Time (retired) | Supporting Information | |
| LAST EPISODE IN SPELL INDICATOR (retired) | Data Element | |
| LAST EPISODE IN SPELL INDICATOR CODE | Attribute | |
| LAST EPISODE IN SPELL INDICATOR CODE | Data Element | |
| LAST MENSTRUAL PERIOD DATE | Data Element | |
| LAST MENSTRUAL PERIOD DATE (retired) | Attribute | |
| LAST MENSTRUAL PERIOD YEAR AND MONTH | Data Element | |
| LAST MINUTE CANCELLATIONS FOR NON CLINICAL REASONS TOTAL (retired) | Data Element | |
| Last Patient Cancelled Date | Supporting Information | |
| LAST PATIENT CANCELLED DATE | Data Element | |
| Last Patient Did Not Attend Date | Supporting Information | |
| LAST PATIENT DID NOT ATTEND DATE | Data Element | |
| LATE ANTENATAL BOOKING APPOINTMENT REASON | Data Element | |
| LATE ANTENATAL BOOKING APPOINTMENT REASON | Attribute | To top |
| LATENT TUBERCULOSIS TEST PERFORMED INDICATOR | Attribute | |
| LATENT TUBERCULOSIS TEST PERFORMED INDICATOR | Data Element | |
| LATEST CLINICALLY APPROPRIATE DATE | Data Element | |
| LEAD CARE PROFESSIONAL TYPE (MATERNITY) (retired) | Data Element | |
| LEAD CONTACT INDICATOR | Attribute | |
| Learning Difficulty | Supporting Information | |
| LEARNING DIFFICULTY INDICATOR (retired) | Data Element | |
| LEARNING DIFFICULTY INDICATOR (retired) | Attribute | |
| LEARNING DISABILITIES CARE CLUSTER CODE (FINAL) (retired) | Data Element | |
| LEARNING DISABILITIES CARE CLUSTER CODE (INITIAL) (retired) | Data Element | |
| LEARNING DISABILITIES CARE CLUSTER CODE (retired) | Attribute | |
| Learning Disabilities Nursing | Supporting Information | |
| Learning Disability | Supporting Information | |
| LEARNING DISABILITY INDICATOR (retired) | Attribute | |
| LEARNING DISABILITY INDICATOR (retired) | Data Element | To top |
| LEAVE | Class | |
| LEAVE END DATE (retired) | Attribute | |
| LEAVE OF ABSENCE END DATE (retired) | Data Element | |
| LEAVE OF ABSENCE END REASON (LAST) (retired) | Data Element | |
| LEAVE OF ABSENCE START DATE (retired) | Data Element | |
| LEAVE OF ABSENCE TOTAL (retired) | Data Element | |
| LEAVE OF ABSENCE TOTAL DAYS (retired) | Data Element | |
| LEAVE START DATE (retired) | Attribute | |
| LEAVE TYPE (retired) | Attribute | |
| LEGAL STATUS CLASSIFICATION CHANGE FROM TO TYPE (retired) | Data Element | |
| LEGAL STATUS CLASSIFICATION CODE (AT CENSUS DATE) (retired) | Data Element | |
| LEGAL STATUS CLASSIFICATION CODE (AT END OF REPORTING PERIOD) (retired) | Data Element | |
| LEGAL STATUS CLASSIFICATION CODE (AT START OF EPISODE) (retired) | Data Element | |
| LEGAL STATUS CLASSIFICATION CODE (ON ADMISSION) (retired) | Data Element | |
| LEGAL STATUS CLASSIFICATION SUSPENDED TO START SUPERVISED COMMUNITY TREATMENT TYPE (retired) | Data Element | To top |
| LEGAL STATUS RESTRICTIVENESS (HIGHEST IN REPORTING PERIOD) (retired) | Data Element | |
| LEGAL STATUS RESTRICTIVENESS (retired) | Attribute | |
| Length | Supporting Information | |
| LENGTH OF EXPOSURE (retired) | Attribute | |
| LENGTH OF STAY ADJUSTMENT | Attribute | |
| LENGTH OF STAY ADJUSTMENT (PATIENT LEVEL INFORMATION COSTING) (retired) | Data Element | |
| LENGTH OF STAY ADJUSTMENT (REHABILITATION) | Data Element | |
| LENGTH OF STAY ADJUSTMENT (SPECIALIST PALLIATIVE CARE) | Data Element | |
| LENGTH OF STAY ADJUSTMENT REASON | Attribute | |
| Lesion | Supporting Information | |
| LESION ANATOMICAL SITE (CENTRAL NERVOUS SYSTEM CANCER SURGICAL) | Data Element | |
| LESION ANATOMICAL SITE FOR CENTRAL NERVOUS SYSTEM CANCER | Attribute | |
| LESION DIAMETER GREATER THAN 20MM INDICATION CODE (retired) | Data Element | |
| LESION DIAMETER GREATER THAN 20MM INDICATION CODE (retired) | Attribute | |
| LESION LOCATION (RADIOLOGICAL) (retired) | Data Element | To top |
| LESION SIZE | Attribute | |
| LESION SIZE (PATHOLOGICAL) | Data Element | |
| LESION SIZE (RADIOLOGICAL) (retired) | Data Element | |
| LESION VERTICAL THICKNESS GREATER THAN 2MM INDICATION CODE (retired) | Data Element | |
| LESION VERTICAL THICKNESS GREATER THAN 2MM INDICATION CODE (retired) | Attribute | |
| LEUKAEMIC CELLS PRESENT POST MINIMAL RESIDUAL DISEASE INDUCTION PERCENTAGE CODE | Data Element | |
| LEUKAEMIC CELLS PRESENT POST MINIMAL RESIDUAL DISEASE INDUCTION PERCENTAGE CODE | Attribute | |
| Level 1 Sexual Health Service | Supporting Information | |
| Level 2 Sexual Health Service | Supporting Information | |
| Level 3 Genitourinary Medicine Service | Supporting Information | |
| LEVEL OF SERVICE PROVIDED (retired) | Attribute | |
| LIFE THREATENING SYMPTOMS AT DIAGNOSIS INDICATOR | Attribute | |
| LIFE THREATENING SYMPTOMS AT DIAGNOSIS INDICATOR (NEUROBLASTOMA) | Data Element | |
| Light Therapy | Supporting Information | |
| LINER REMOVAL INDICATOR (ACETABULAR) | Data Element | To top |
| LINER REMOVAL INDICATOR (TIBIAL) | Data Element | |
| LINER REMOVAL INDICATOR FOR JOINT REPLACEMENT | Attribute | |
| Lists Diagram Overview (retired) | Supporting Information | |
| LIST SUSPENSION END DATE | Attribute | |
| LIST SUSPENSION START DATE | Attribute | |
| Lithotripsy Course Attendance (retired) | Supporting Information | |
| Lithotripter (retired) | Supporting Information | |
| LIVE OR STILL BIRTH | Attribute | |
| LIVE OR STILL BIRTH (retired) | Data Element | |
| LIVE OR STILL BIRTH CODE | Data Element | |
| Liver Cancer Care Spell | Supporting Information | |
| LIVER CANCER SURVEILLANCE SCAN INDICATOR | Attribute | |
| LIVER CANCER SURVEILLANCE SCAN INDICATOR | Data Element | |
| LIVER CAPSULE INTACT AND SMOOTH INDICATOR | Attribute | |
| LIVER CAPSULE INTACT AND SMOOTH INDICATOR | Data Element | To top |
| LIVER CIRRHOSIS CAUSE TYPE | Data Element | |
| LIVER CIRRHOSIS CAUSE TYPE | Attribute | |
| LIVER CIRRHOSIS TYPE | Attribute | |
| LIVER CIRRHOSIS TYPE | Data Element | |
| LIVER SUPPORT DAYS | Data Element | |
| LIVER SURGERY PERFORMED TYPE | Data Element | |
| LIVER SURGERY PERFORMED TYPE | Attribute | |
| LIVER TRANSARTERIAL EMBOLISATION OF HEPATOCELLULAR CARCINOMA INDICATOR (retired) | Data Element | |
| LIVER TRANSARTERIAL EMBOLISATION OF HEPATOCELLULAR CARCINOMA INDICATOR (retired) | Attribute | |
| LIVER TRANSARTERIAL EMBOLISATION PROCEDURE TYPE | Data Element | |
| LIVER TRANSARTERIAL EMBOLISATION PROCEDURE TYPE | Attribute | |
| LIVER TRANSPLANT PERFORMED INDICATOR (retired) | Data Element | |
| LIVER TRANSPLANT WAITING LIST INDICATOR | Data Element | |
| LIVER TRANSPLANT WAITING LIST INDICATOR | Attribute | |
| LIVING ORGAN OR TISSUE DONOR | Class | To top |
| LMP DATE (retired) | Data Element | |
| Local Authority | Supporting Information | |
| Local Authority District | Supporting Information | |
| LOCAL AUTHORITY SERVICES (retired) | Attribute | |
| LOCAL CARE PROFESSIONAL IDENTIFIER (retired) | Attribute | |
| LOCAL CODE (HIGH COST TARIFF EXCLUDED DEVICE) | Data Element | |
| LOCAL CONTRACT CODE | Attribute | |
| LOCAL CONTRACT CODE | Data Element | |
| LOCAL CONTRACT CODE DESCRIPTION | Data Element | |
| LOCAL CONTRACT MONITORING CODE | Data Element | |
| LOCAL CONTRACT MONITORING CODE | Attribute | |
| LOCAL CONTRACT MONITORING DESCRIPTION | Data Element | |
| LOCAL FETAL IDENTIFIER | Data Element | |
| Local Health Board (Wales) | Supporting Information | |
| Local Healthwatch | Supporting Information | To top |
| LOCAL HIGH COST TARIFF EXCLUDED DEVICE CODE | Attribute | |
| LOCAL PATIENT IDENTIFIER | Data Element | |
| LOCAL PATIENT IDENTIFIER | Attribute | |
| LOCAL PATIENT IDENTIFIER (BABY) | Data Element | |
| LOCAL PATIENT IDENTIFIER (EXTENDED (BABY)) | Data Element | |
| LOCAL PATIENT IDENTIFIER (EXTENDED (MOTHER)) | Data Element | |
| LOCAL PATIENT IDENTIFIER (EXTENDED) | Data Element | |
| LOCAL PATIENT IDENTIFIER (MOTHER) | Data Element | |
| LOCAL PATIENT IDENTIFIER (NATIONAL JOINT REGISTRY) | Data Element | |
| LOCAL PATIENT IDENTIFIER (UK TRANSPLANT DONOR NUMBER) (retired) | Data Element | |
| LOCAL PATIENT IDENTIFIER (UK TRANSPLANT RECIPIENT NUMBER) (retired) | Data Element | |
| LOCAL POINT OF DELIVERY CODE | Data Element | |
| LOCAL POINT OF DELIVERY DESCRIPTION | Data Element | |
| LOCAL POINT OF DELIVERY DESCRIPTION | Attribute | |
| LOCAL POLICY AND OBJECTIVES (retired) | Attribute | To top |
| Local Resolution Eligibility Decision Outcome Communicated To Patient Date (NHS Continuing Healthcare) (retired) | Supporting Information | |
| LOCAL RESOLUTION ELIGIBILITY DECISION OUTCOME COMMUNICATED TO PATIENT DATE (NHS CONTINUING HEALTHCARE) (retired) | Data Element | |
| LOCAL RESOLUTION END DATE (NHS CONTINUING HEALTHCARE) (retired) | Data Element | |
| LOCAL RESOLUTION START DATE (NHS CONTINUING HEALTHCARE) (retired) | Data Element | |
| LOCAL SUB-SPECIALTY | Class | |
| LOCAL SUB-SPECIALTY CODE | Attribute | |
| LOCAL SUB-SPECIALTY CODE | Data Element | |
| LOCAL TREATMENT CATEGORY CODE | Data Element | |
| LOCAL TREATMENT CATEGORY CODE | Attribute | |
| LOCAL TREATMENT CODE | Data Element | |
| LOCAL TREATMENT CODE | Attribute | |
| LOCATION | Class | |
| LOCATION CLASS | Data Element | |
| LOCATION CLASS | Attribute | |
| LOCATION CODE (retired) | Attribute | To top |
| LOCATION IN HOSPITAL TYPE (BABY ADMITTED FROM) | Data Element | |
| LOCATION IN HOSPITAL TYPE FOR NATIONAL NEONATAL DATA SET | Attribute | |
| LOCATION NAME (retired) | Attribute | |
| LOCATION OF ACTIVITY END | Attribute | |
| LOCATION OF ACTIVITY END | Data Element | |
| LOCATION OF ACTIVITY START | Attribute | |
| LOCATION OF ACTIVITY START | Data Element | |
| LOCATION OF HIGHEST LEVEL OF CARE (NATIONAL NEONATAL DATA SET) | Data Element | |
| LOCATION OF HIGHEST LEVEL OF CARE FOR NATIONAL NEONATAL DATA SET | Attribute | |
| LOCATION TYPE (HUMAN PAPILLOMAVIRUS VACCINE) (retired) | Data Element | |
| LOCATION TYPE (retired) | Class | |
| LOCATION TYPE (retired) | Data Element | |
| LOCATION TYPE CODE (retired) | Attribute | |
| Location Type Codes (retired) | Supporting Information | |
| LOCATION TYPE CODING TYPE (retired) | Attribute | To top |
| LOCKED WARD INDICATOR | Attribute | |
| LOCKED WARD INDICATOR | Data Element | |
| LOCUM INDICATOR (retired) | Data Element | |
| LOCUM INDICATOR (retired) | Attribute | |
| LODGED AFTER A and E ATTENDANCE (retired) | Attribute | |
| LODGED PATIENT | Class | |
| LODGING END TIME | Attribute | |
| LODGING START TIME | Attribute | |
| London Borough | Supporting Information | |
| LONG HEAD BICEPS PRESENT INDICATOR (SHOULDER REPLACEMENT) | Data Element | |
| LONG HEAD BICEPS PRESENT INDICATOR FOR SHOULDER REPLACEMENT | Attribute | |
| LONG HEAD BICEPS TENODESIS PERFORMED INDICATOR (SHOULDER REPLACEMENT) | Data Element | |
| LONG HEAD BICEPS TENOTOMY INDICATOR (retired) | Attribute | |
| LONG HEAD BICEPS TENOTOMY PERFORMED INDICATOR (SHOULDER REPLACEMENT) | Data Element | |
| LONGITUDINAL RESECTION MARGIN INVOLVED INDICATION CODE | Data Element | To top |
| LONGITUDINAL RESECTION MARGIN INVOLVED INDICATION CODE | Attribute | |
| Long Term Physical Health Condition | Supporting Information | |
| LONG TERM PHYSICAL HEALTH CONDITION (CODED CLINICAL ENTRY) | Data Element | |
| LONG TERM PHYSICAL HEALTH CONDITION INDICATOR (IMPROVING ACCESS TO PSYCHOLOGICAL THERAPIES) (retired) | Data Element | |
| LONG TERM PHYSICAL HEALTH CONDITION INDICATOR FOR IMPROVING ACCESS TO PSYCHOLOGICAL THERAPIES (retired) | Attribute | |
| Looked After Child | Supporting Information | |
| LOOKED AFTER CHILD INDICATOR | Attribute | |
| LOOKED AFTER CHILD INDICATOR | Data Element | |
| LOOKED AFTER CHILD LEGAL STATUS | Data Element | |
| LOOKED AFTER CHILD LEGAL STATUS | Attribute | |
| Looked After Children Service | Supporting Information | |
| Lower Layer Super Output Area | Supporting Information | |
| LOWER LAYER SUPER OUTPUT AREA (GENERAL MEDICAL PRACTITIONER PRACTICE PATIENT REGISTRATION) (retired) | Data Element | |
| LOWER LAYER SUPER OUTPUT AREA (PERSON RESIDENCE) | Data Element | |
| LOWER LAYER SUPER OUTPUT AREA (RESIDENCE) (retired) | Data Element | To top |
| Lung Cancer Care Spell | Supporting Information | |
| Lung Capacity (retired) | Supporting Information | |
| LUNG HEALTH CHECK APPOINTMENT STATUS | Data Element | |
| LUNG HEALTH CHECK APPOINTMENT STATUS | Attribute | |
| LUNG METASTASES SUB-STAGE GROUPING (retired) | Attribute | |
| LUNG METASTASES SUB-STAGE GROUPING (retired) | Data Element | |
| Lymph Node | Supporting Information | |
| LYMPH NODE STATUS | Attribute | |