XCAH03_1.1.4

Back to C21051

Field description	Field abbreviation	Field version	Field length	Field type
Common Aggregation Hierarchy, third level grouping	XCAH03	1.1.4	11	Char

Valid entries

Code	Label
CAH01-01-01	medical sciences (non-specific)
CAH01-01-02	medicine (non-specific)
CAH01-01-03	medicine by specialism
CAH01-01-04	dentistry
CAH02-02-01	pharmacology
CAH02-02-02	toxicology
CAH02-02-03	pharmacy
CAH02-04-01	nursing (non-specific)
CAH02-04-02	adult nursing
CAH02-04-03	community nursing
CAH02-04-04	midwifery
CAH02-04-05	children's nursing
CAH02-04-06	dental nursing
CAH02-04-07	mental health nursing
CAH02-04-08	learning disabilities nursing
CAH02-04-09	others in nursing
CAH02-05-01	medical technology
CAH02-05-02	healthcare science (non-specific)
CAH02-05-03	biomedical sciences (non-specific)
CAH02-05-04	anatomy, physiology and pathology
CAH02-06-01	health sciences (non-specific)
CAH02-06-02	nutrition and dietetics
CAH02-06-03	ophthalmics
CAH02-06-04	environmental and public health
CAH02-06-05	physiotherapy
CAH02-06-06	complementary and alternative medicine
CAH02-06-07	counselling, psychotherapy and occupational therapy
CAH03-01-01	biosciences (non-specific)
CAH03-01-02	biology (non-specific)
CAH03-01-03	ecology and environmental biology
CAH03-01-04	microbiology and cell science
CAH03-01-05	plant sciences
CAH03-01-06	zoology
CAH03-01-07	genetics
CAH03-01-08	molecular biology, biophysics and biochemistry
CAH03-01-09	hair and beauty sciences
CAH03-01-10	others in biosciences
CAH03-02-01	sport and exercise sciences
CAH04-01-01	psychology (non-specific)
CAH04-01-02	applied psychology
CAH04-01-03	developmental psychology
CAH04-01-04	psychology and health
CAH04-01-05	others in psychology
CAH05-01-01	veterinary medicine and dentistry
CAH05-01-02	others in veterinary sciences
CAH06-01-01	animal science
CAH06-01-02	agricultural sciences
CAH06-01-03	agriculture
CAH06-01-04	rural estate management
CAH06-01-05	forestry and arboriculture
CAH06-01-06	food and beverage studies (non-specific)
CAH06-01-07	food sciences
CAH06-01-08	food and beverage production
CAH07-01-01	physics
CAH07-01-02	astronomy
CAH07-02-01	chemistry
CAH07-04-01	physical sciences (non-specific)
CAH07-04-02	forensic and archaeological sciences
CAH07-04-03	sciences (non-specific)
CAH07-04-04	natural sciences (non-specific)
CAH09-01-01	mathematics
CAH09-01-02	operational research
CAH09-01-03	statistics
CAH10-01-01	engineering (non-specific)
CAH10-01-02	mechanical engineering
CAH10-01-03	production and manufacturing engineering
CAH10-01-04	aeronautical and aerospace engineering
CAH10-01-05	naval architecture
CAH10-01-06	bioengineering, medical and biomedical engineering
CAH10-01-07	civil engineering
CAH10-01-08	electrical and electronic engineering
CAH10-01-09	chemical, process and energy engineering
CAH10-01-10	others in engineering
CAH10-03-01	minerals technology
CAH10-03-02	materials technology
CAH10-03-03	polymers and textiles
CAH10-03-04	maritime technology
CAH10-03-05	biotechnology
CAH10-03-06	others in technology
CAH10-03-07	materials science
CAH11-01-01	computer science
CAH11-01-02	information technology
CAH11-01-03	information systems
CAH11-01-04	software engineering
CAH11-01-05	artificial intelligence
CAH11-01-06	computer games and animation
CAH11-01-07	business computing
CAH11-01-08	others in computing
CAH26-01-01	geography (non-specific)
CAH26-01-02	physical geographical sciences
CAH26-01-03	human geography
CAH26-01-04	environmental sciences
CAH26-01-05	others in geographical studies
CAH26-01-06	earth sciences
CAH13-01-01	architecture
CAH13-01-02	building
CAH13-01-03	landscape design
CAH13-01-04	planning (urban, rural and regional)
CAH15-01-01	social sciences (non-specific)
CAH15-01-02	sociology
CAH15-01-03	social policy
CAH15-01-04	anthropology
CAH15-01-05	development studies
CAH15-01-06	cultural studies
CAH15-02-01	economics
CAH15-03-01	politics
CAH15-04-01	social work
CAH15-04-02	childhood and youth studies
CAH15-04-03	health studies
CAH16-01-01	law
CAH17-01-01	business and management (non-specific)
CAH17-01-02	business studies
CAH17-01-03	marketing
CAH17-01-04	management studies
CAH17-01-05	human resource management
CAH17-01-06	tourism, transport and travel
CAH17-01-07	finance
CAH17-01-08	accounting
CAH17-01-09	others in business and management
CAH24-01-01	information services
CAH24-01-02	publicity studies
CAH24-01-03	publishing
CAH24-01-04	journalism
CAH24-01-05	media studies
CAH19-01-01	English studies (non-specific)
CAH19-01-02	English language
CAH19-01-03	literature in English
CAH19-01-04	studies of specific authors
CAH19-01-05	creative writing
CAH19-01-06	others in English studies
CAH19-01-07	linguistics
CAH19-02-01	Celtic studies (non-specific)
CAH19-02-02	Gaelic studies
CAH19-02-03	Welsh studies
CAH19-02-04	others in Celtic studies
CAH19-04-01	French studies
CAH19-04-02	German and Scandinavian studies
CAH19-04-03	Italian studies
CAH19-04-04	Iberian studies
CAH19-04-05	Slavic studies
CAH19-04-06	Asian studies
CAH19-04-07	African and modern Middle Eastern studies
CAH19-04-08	American and Australasian studies
CAH19-04-09	others in language and area studies
CAH20-01-01	history
CAH20-01-02	history of art, architecture and design
CAH20-01-03	archaeology
CAH20-01-04	heritage studies
CAH20-01-05	classics
CAH20-02-01	philosophy
CAH20-02-02	theology and religious studies
CAH25-01-01	creative arts and design (non-specific)
CAH25-01-02	art
CAH25-01-03	design studies
CAH25-01-04	cinematics and photography
CAH25-01-05	others in creative arts and design
CAH25-02-01	performing arts (non-specific)
CAH25-02-02	music
CAH25-02-03	drama
CAH25-02-04	dance
CAH22-01-01	education
CAH22-01-02	teacher training
CAH23-01-01	combined, general or negotiated studies
CAH23-01-02	personal development
CAH23-01-03	humanities (non-specific)
CAH23-01-04	liberal arts (non-specific)

Dependent fields

None

Depend upon fields

XHECOS

Additional information

The Common Aggregation Hierearchy is an aggregation methodology that can be applied to both HECOS and JACS subject coding frames in order to allow for time series analysis.

The datasets tables Cyy051_SJ (for the Student record) and Cyy054_SJ (for the Student Alternative record) are the HECoS subject by full person equivalent (FPE) tables, that hold merged subject data from the appropriate Course and CourseSubject records apportioned using the HESA 'combination splitter' methodology.

XCAH03 takes the HECoS subject and derives its value based on the HECoS/CAH mapping

XFPE01 apportions the subjects to a nominal FPE, according to the number of subjects submitted per Course and the weighting allocated to a Course's subjects.

Technical Specification

XCAH03	XHECOS
CAH01-01-01	100270
CAH01-01-02	100267, 100271, 100276
CAH01-01-03	101334, 101336, 100748, 101339, 101338, 101337, 101331, 101309, 101327, 100261, 101324, 101325, 100131
CAH01-01-04	100266, 100268, 100275
CAH02-04-01	100290
CAH02-04-02	100279
CAH02-04-03	100281, 100285, 100295, 100293
CAH02-04-04	100288
CAH02-04-05	100280
CAH02-04-06	100283
CAH02-04-07	100287
CAH02-04-08	100286
CAH02-04-09	100746, 100282, 100284, 101333, 100747, 100289, 100291, 100292, 100294
CAH02-02-01	100250
CAH02-02-02	100277
CAH02-02-03	100251
CAH02-06-01	100246, 101289, 101329, 100273, 100749, 100750, 100255, 101291
CAH02-06-02	100744, 100247
CAH02-06-03	101511, 100036, 100037
CAH02-06-04	101332, 101317, 101335, 100248
CAH02-06-05	101290, 100252
CAH02-06-06	100233, 100234, 100235, 100739, 100236, 100241, 100242, 100237, 101340, 101241, 100243, 100253, 100239, 101375
CAH02-05-01	100129, 100132, 101330
CAH02-06-07	101320, 100495, 100249, 100254
CAH02-05-02	100260, 100257
CAH02-05-03	100265, 101382, 100912, 100272
CAH02-05-04	100264, 100540, 100258, 100038, 100274, 100262
CAH03-01-01	100345
CAH03-01-02	100346
CAH03-01-03	100848, 101318, 101457, 100347, 100864, 101459, 100348, 100849, 100351, 100850, 101458
CAH03-01-04	100906, 100909, 100822, 100881, 100911, 100907, 100353, 100872, 100826, 100873, 100874, 100910
CAH03-01-05	101376, 101460, 100355
CAH03-01-06	100937, 100880, 100829, 100834, 100882, 100883, 100356
CAH03-01-07	101378, 100259, 100901, 100898, 100899, 100900, 100902, 101377
CAH03-01-08	100344, 100948, 100949, 100352, 101380, 100354, 100932
CAH03-01-09	101373
CAH03-01-10	100343, 100865, 100858, 100350, 100847
CAH03-02-01	101319, 100433, 101379, 100095, 100096, 100098, 100475
CAH04-01-01	100497
CAH04-01-02	100493, 100954, 101294, 100387, 100950, 101383, 100499
CAH04-01-03	100953, 100952, 100496, 101342
CAH04-01-04	100494, 100985, 101464
CAH04-01-05	101381, 100993, 101345, 101344, 100958, 101341, 101363, 101003, 101463, 101462, 100959, 100498, 101343
CAH05-01-01	101384, 101347, 100531
CAH05-01-02	101461, 101220, 100908, 100532, 100938, 100939, 100941, 100942
CAH06-01-01	100522, 100936, 100940, 100523, 100519
CAH06-01-02	101025, 101024, 100516, 100884
CAH06-01-03	101385, 101010, 101006, 100517, 100518, 100976, 100946, 100947, 100945, 101348, 100978, 100529, 101001, 100974, 101004, 100998
CAH06-01-04	100468, 100979, 100990, 100977
CAH06-01-05	101014, 100520
CAH06-01-06	101017
CAH06-01-07	101388, 100527, 101387
CAH06-01-08	101021, 101022, 100526, 101018
CAH07-01-01	100427, 100580, 101060, 101068, 100416, 101071, 101223, 101391, 101061, 100577, 101076, 101390, 100430, 100419, 101077, 101075, 100425, 101300, 101074, 101396, 100579, 100426, 100431
CAH07-01-02	100414, 100415, 101103, 101102
CAH07-02-01	100413, 101038, 100417, 101042, 101044, 101045, 101041, 101043, 101046, 100420, 101054, 100422, 101389, 100423, 101050, 101053
CAH07-04-01	100424
CAH07-04-02	100384, 101222, 101219, 100386, 100388
CAH07-04-03	100392, 100390
CAH07-04-04	100391
CAH09-01-01	100400, 101029, 101028, 100401, 100402, 100403, 101027, 100405
CAH09-01-02	100404
CAH09-01-03	101030, 101031, 101032, 101034, 100406, 101033
CAH10-01-01	100160, 100182, 100184
CAH10-01-02	100429, 100192, 100190
CAH10-01-03	100201, 100109, 100211, 100110, 100193, 100202, 100170, 100205, 100206, 100152, 100209, 100213, 101398, 101397
CAH10-01-04	100428, 100114, 100115, 100564, 100229, 100117, 100116
CAH10-01-05	100207, 100568
CAH10-01-06	101216, 101243, 101210, 100126, 100127, 100005, 100128, 100138, 100130, 100572
CAH10-01-07	100120, 100148, 100548, 100180, 100549, 101048, 100551, 100156, 100565, 100157, 100153, 100219, 100154
CAH10-01-08	101399, 100539, 100162, 100166, 101355, 100546, 100163, 100164, 100581, 101354, 101353, 100165, 100553, 100168, 100177, 101234, 100169, 100118, 100188, 100159
CAH10-01-09	100141, 100135, 100143, 100175, 100176, 100172, 100178, 100144
CAH10-01-10	100183, 100204, 100185, 101013, 100573
CAH10-03-01	100550, 100212, 100155, 100566
CAH10-03-02	101217, 100545, 100203, 100033
CAH10-03-03	100210, 100145, 100214
CAH10-03-04	100544, 100194
CAH10-03-05	100134, 100136, 100137, 100139
CAH10-03-06	100222, 100186, 100093, 100560, 100230, 101356
CAH10-03-07	100225
CAH11-01-01	100734, 100365, 100366, 100741, 100736, 100737, 100735, 101400
CAH11-01-02	100367, 100372, 100373
CAH11-01-03	100869, 100755, 100754, 100994, 100751, 100371, 100757, 100963, 100753, 100756
CAH11-01-04	100376, 100960, 100956, 100821, 100374
CAH11-01-05	100359, 100989, 100968, 100992, 100961, 100966
CAH11-01-06	100363, 101267, 101268, 101019, 101020
CAH11-01-07	100360, 100361, 100362, 100738
CAH11-01-08	100358, 100385, 100368
CAH26-01-01	100409
CAH26-01-02	101352, 101070, 100408, 101064, 101394, 101079, 101058, 101065, 100410, 101091, 101067
CAH26-01-03	101407, 100671, 100665, 100469, 101408, 100478, 100668, 100669, 100666
CAH26-01-04	101078, 100381, 101072, 100986
CAH26-01-05	100369, 101056
CAH26-01-06	101104, 101351, 100379, 100394, 101106, 100380, 101093, 101084, 101083, 101082, 101086, 100395, 100396, 101089, 101073, 100418, 100382, 100421, 100398, 101105, 101081
CAH13-01-01	100583, 100121, 100122
CAH13-01-02	100147, 100216, 100584, 100585, 100149, 100150, 100151, 100586, 100825, 100217
CAH13-01-03	100590, 100124, 100588
CAH13-01-04	100196, 100197, 100593, 100198, 100199, 100594
CAH15-01-01	101307, 100471
CAH15-01-02	100619, 100484, 100625, 100624, 100621, 101326, 100623, 100629, 100626, 100628, 100627, 100505, 101465, 100631, 101405, 100622
CAH15-01-03	100483, 100651, 100648, 100645, 100647, 100652, 100502, 101406, 100649
CAH15-01-04	100436, 101218, 100663, 100437
CAH15-01-05	101358, 101359, 100488
CAH15-01-06	101233
CAH15-02-01	100600, 100597, 100449, 100604, 100601, 100606, 100450, 100451, 100452, 101402, 101401
CAH15-03-01	101404, 100618, 101507, 100609, 101510, 100612, 101509, 101403, 100489, 100490, 101288, 101506, 101357, 100491, 100090, 100091, 101508, 100616, 100610, 100617
CAH15-04-01	100659, 100655, 100662, 100501, 100503, 100466
CAH15-04-02	100654, 100455, 100456, 100457
CAH15-04-03	100476, 100653, 100473
CAH16-01-01	100482, 100683, 100685, 101323, 100676, 100680, 100691, 100485, 100692, 100693, 100677, 100486, 100686, 100689, 100681, 100684, 100678, 100690
CAH17-01-01	100078
CAH17-01-02	100079, 100808, 100080, 100218
CAH17-01-03	100074, 100856, 101215, 100853, 100846, 100075, 100644, 100855, 100851
CAH17-01-04	100813, 100811, 100823, 101308, 100815, 100819, 100088, 100817, 100089, 100814, 100812, 100820, 100092, 101040, 100896, 100810
CAH17-01-05	100866, 101049, 100085, 100861
CAH17-01-06	100083, 100891, 100084, 100087, 100893, 100894, 100097, 100875, 100100, 100101, 100102
CAH17-01-07	100106, 100827, 100107, 100832, 100835, 100830, 100828, 100831
CAH17-01-08	100104, 100105, 100840, 100838, 100845, 100836, 100837
CAH17-01-09	100868, 101409, 100743
CAH24-01-01	100915, 100914, 100370, 100916, 100913, 100918
CAH24-01-02	100076, 100919
CAH24-01-03	100926, 100927, 100925
CAH24-01-04	100439, 100442, 100445
CAH24-01-05	100440, 100058, 100444, 100443, 100922, 100921, 100920
CAH19-01-01	100320
CAH19-01-02	101109, 100318
CAH19-01-03	101108, 100319, 101094, 101095, 101111
CAH19-01-04	101492, 101473, 101483, 101477, 101472, 101487, 101476, 101493, 101486, 101479, 101478, 101468, 101495, 101480, 101485, 101471, 101475, 101490, 101489, 101467, 101496, 101481, 101107, 101484, 101469, 101470, 101474, 101491, 101494, 101488, 101482
CAH19-01-05	100046, 100730, 100731, 100729
CAH19-01-06	100317, 101412
CAH19-01-07	100970, 101410, 100328, 100972, 100971, 100973, 101035, 101016
CAH19-02-01	101118
CAH19-02-02	101120, 101497
CAH19-02-03	100333, 101163, 100335
CAH19-02-04	101419, 101121, 101413, 101315
CAH19-04-01	100321, 101132, 101133, 100322
CAH19-04-02	101424, 101161, 100323, 101134, 101135, 100324, 101149, 101425, 101145, 101148
CAH19-04-03	100326, 101137, 101136, 100327
CAH19-04-04	101143, 100765, 101142, 101144, 101141, 100332, 101139, 101138, 100325
CAH19-04-05	101155, 101501, 101312, 101153, 101500, 101152, 101158, 100331, 100330, 101157, 101499, 101151, 101428, 101429
CAH19-04-06	101180, 101177, 101165, 101166, 101167, 101164, 101271, 101174, 101430, 101179, 101368, 101169, 101170, 101171, 101168, 101212, 101371, 101172, 101372, 101258, 101175, 101369
CAH19-04-07	101185, 101188, 101189, 101184, 101198, 101192, 101432, 101367, 101194, 101269, 101191, 101196, 101197, 101190, 101193, 101433, 101503, 101366, 101431, 101434, 101504, 101195
CAH19-04-08	100316, 101206, 101205, 101207, 101201, 101202, 101199, 101203, 101204
CAH19-04-09	101415, 101113, 101117, 101112, 101417, 101114, 101037, 101414, 101426, 101159, 101150, 101427, 101311, 100329, 101115, 101416, 101130
CAH20-01-01	101360, 100767, 100298, 100758, 100774, 100771, 101436, 100301, 100761, 100670, 100762, 100779, 101248, 100763, 100302, 100784, 100785, 100664, 100714, 100780, 100307, 100781, 100778, 100759, 100764, 100769, 100308, 100309, 100786, 100310, 101435, 100766, 101498, 100311, 100312, 100772, 100773, 100768, 100760, 100777
CAH20-01-02	100782, 100306, 100783
CAH20-01-03	100299, 101438, 101440, 100787, 101439, 101261, 101437
CAH20-01-04	100599, 100807, 100805
CAH20-01-05	101422, 101423, 101126, 101129, 100300, 101420, 101125, 101124, 101421
CAH20-02-01	101442, 100793, 100791, 101441, 100337, 100338, 101443, 100792
CAH20-02-02	100801, 100798, 100795, 100803, 100799, 101444, 100796, 100797, 100802, 100339, 100800, 101445, 101446, 100340, 100794
CAH25-01-01	101361
CAH25-01-02	101362, 100587, 100059, 100589, 100595, 100592
CAH25-01-03	100003, 100048, 100052, 100054, 100055, 100633, 100060, 100061, 100062, 100636, 101316, 100050, 100051, 100630, 100632, 100375
CAH25-02-01	100071
CAH25-02-02	101450, 100854, 100650, 100867, 100674, 100842, 101447, 100661, 100639, 100843, 100870, 100656, 100070, 100643, 100695, 100642, 100223, 100221, 101449, 100035, 100637, 100667, 101448, 100841, 101451, 100657, 100844, 100862
CAH25-02-03	100067, 100707, 100710, 100697, 100069, 100708, 100703, 100704, 100702, 100700, 100698, 100705
CAH25-02-04	100885, 101452, 100711, 101454, 100886, 100068, 101453, 100712
CAH25-01-04	100057, 101214, 100716, 100890, 100888, 100441, 100887, 100063, 100924, 100923, 100717
CAH25-01-05	101505, 100726, 100895, 100724, 100706, 101374, 100721, 100725, 101455, 100728
CAH22-01-01	100454, 100463, 100459, 100460, 100461, 100462, 101322, 100508, 100464, 101088, 100465
CAH22-01-02	100507, 100510, 100509, 100511, 101246, 100512, 101087, 101085, 100513, 200001
CAH23-01-01	101273, 101274, 101275
CAH23-01-02	101279, 100658, 101278, 101221, 100962, 101090, 101276, 101277
CAH23-01-03	100314
CAH23-01-04	100065

Revision history

Date	Version	Notes
2021-02-26	1.1.4	The coding frame has been updated to Common Aggregation Hierarchy version 1.3.3, amendments were actioned on feedback received from DLSG, new codes created due to changes to the CAH grouping and old codes deprecated
2020-05-19	1.1.3	Additional valid entry 200001 added to CAH22-01-02, this has been added as referenced in XHECOS_XFPE01
2020-03-26	1.1.2	The coding frame has been updated to HECoS rather than JACS valid entries
2019-03-07	1.1.1	New derived field to determine the Common Aggregation Hierarchy, first level grouping

Contact Liaison by email or on +44 (0)1242 388 531.