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Diagnosis category CCHPR code ICD-9-CM code
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6 Diseases of the nervous system and sense 76 77 78 79 -
organs 80 81 82 83
84 85 86 87
88 89 90 91
92 93 94 95
6.1 Central nervous system infection 76 77 78 -
6.1.1 Meningitis (except that caused by 76 -
TB or STD)
6.1.2 Encephalitis (except that caused by 77 -
TB or STD)
6.1.3 Other CNS infection and 78 -
poliomyelitis
6.2 Hereditary and degenerative nervous 79 80 81 -
system conditions
6.2.1 Parkinson's disease 79 -
6.2.2 Multiple sclerosis 80 -
6.2.3 Other hereditary and degenerative 81 -
nervous system conditions
6.2.3.1 Disorders of the autonomic - 3370 3371 3379
nervous system
6.2.3.2 Other and unspecified - 3300 3301 3302 3303 3308 3309
hereditary and degenerative 3313 3314 3317 33181 33189 3319
nervous conditions 3330 3331 3332 3333 3334 3335
3336 3337 33381 33382 33383 33384
33389 33390 33391 33392 33393 33399
3340 3341 3342 3343 3344 3348
3349 3350 33510 33511 33519 33520
33521 33522 33523 33524 33529 3358
3359 3360 3361 3362 3363 3368
3369
6.3 Paralysis 82 -
6.3.1 Hemiplegia - 3420 34200 34201 34202 3421 34210
34211 34212 34280 34281 34282 3429
34290 34291 34292
6.3.2 Other paralysis - 3430 3431 3432 3433 3434 3438
3439 3440 34400 34401 34402 34403
34404 34409 3441 3442 3443 34430
34431 34432 3444 34440 34441 34442
3445 34460 3448 34481 34489 3449
7814
6.4 Epilepsy, convulsions 83 -
6.4.1 Epilepsy - 3450 34500 34501 3451 34510 34511
3452 3453 3454 34540 34541 3455
34550 34551 3456 34560 34561 3457
34570 34571 3458 34580 34581 3459
34590 34591
6.4.2 Convulsions - 7803 78031 78039
6.5 Headache, including migraine 84 -
6.5.1 Migraine - 3460 34600 34601 3461 34610 34611
3462 34620 34621 3468 34680 34681
3469 34690 34691
6.5.2 Other headache - 7840
6.6 Coma, stupor, and brain damage 85 -
6.7 Eye disorders 86 87 88 89
90 91 -
6.7.1 Cataract 86 -
6.7.2 Retinal detachments, defects, 87 -
vascular occlusion, and retinopathy
6.7.2.1 Retinal detachment with defect - 36100 36101 36102 36103 36104 36105
36106 36107
6.7.2.2 Other retinal detachment or - 36110 36111 36112 36113 36114 36119
defect
3612 36130 36131 36132 36133 36181
36189 3619
6.7.2.3 Other retinal disorders - 36201 36202 36210 36211 36212 36213
36214 36215 36216 36217 36218 36221
36229 36230 36231 36232 36233 36234
36235 36236 36237 36240 36241 36242
36243 36250 36251 36252 36253 36254
36255 36256 36257 36260 36261 36262
36263 36264 36265 36266 36270 36271
36272 36273 36274 36275 36276 36277
36281 36282 36283 36284 36285 36289
3629
6.7.3 Glaucoma 88 -
6.7.4 Blindness and vision defects 89 -
6.7.5 Inflammation, infection of eye 90 -
(except that caused by TB or STD)
6.7.6 Other eye disorders 91 -
6.8 Ear conditions 92 93 94 -
6.8.1 Otitis media and related conditions 92 -
6.8.1.1 Suppurative and unspecified - 38200 38201 38202 3821 3822 3823
otitis media
3824 3829
6.8.1.2 Other otitis media and related - 0552 38100 38101 38102 38103 38104
conditions
38105 38106 38110 38119 38120 38129
3813 3814 38150 38151 38152 38160
38161 38162 38163 3817 38181 38189
3819 38300 38301 38302 3831 38320
38321 38322 38330 38331 38332 38333
38381 38389 3839 38420 38421 38422
38423 38424 38425 38481 38482 3849
38500 38501 38502 38503 38509 38510
38511 38512 38513 38519 38521 38522
38523 38524 3870 3871 3872 3878
3879
6.8.2 Conditions associated with dizziness 93 -
or vertigo
6.8.3 Other ear and sense organ disorders 94 -
6.9 Other nervous system disorders 95 -
6.9.1 Disorders of the peripheral nervous - 3501 3502 3508 3509 3510 3511
system 3518 3519 3520 3521 3522 3523
3524 3525 3526 3529 3530 3531
3532 3533 3534 3535 3536 3538
3539 3540 3541 3542 3543 3544
3545 3548 3549 3550 3551 3552
3553 3554 3555 3556 3557 35571
35579 3558 3559 3560 3561 3562
3563 3564 3568 3569 3570 3571
3572 3573 3574 3575 3576 3577
3578 3579 3580 3581 3582 3588
3589 3590 3591 3592 3593 3594
3595 3596 3598 3599
6.9.2 Other central nervous system - 325 3321 33720 33721 33722 33729
disorders 3410 3411 3418 3419 34461 347
3480 3482 3483 3484 3485 3488
3489 3492 34981 34982 34989 3499
V1241 V5301
6.9.3 Other nervous system symptoms - 7810 7811 7812 7813 7817 7818
and disorders 7820 7843 7845 78460 78461 78469
7920 7930 79400 79401 79402 79409
79410 79411 79412 79413 79414 79415
79416 79417 79419 7961 V124 V1240
V1249 V415 V452 V484 V485 V493
V530 V5302 V5309
7 Diseases of the circulatory system 96 97 98 99 -
100 101 102
103 104 105
106 107 108
109 110 111
112 113 114
115 116 117
118 119 120
121
7.1 Hypertension 98 99 -
7.1.1 Essential hypertension 98 -
7.1.2 Hypertension with complications and 99 -
secondary hypertension
7.1.2.1 Hypertensive heart and/or - 40200 40201 40210 40211 40290 40291
renal disease 4030 40300 40301 4031 40310 40311
4039 40390 40391 4040 40400 40401
40402 40403 4041 40410 40411 40412
40413 4049 40490 40491 40492 40493
7.1.2.2 Other hypertensive - 4010 40501 40509 40511 40519 40591
complications 40599 4372
7.2 Diseases of the heart 96 97 100 -
101 102 103
104 105 106
107 108
7.2.1 Heart valve disorders 96 -
7.2.1.1 Chronic rheumatic disease of - 3940 3941 3942 3949 3950 3951
the heart valves 3952 3959 3960 3961 3962 3963
3968 3969 3970 3971 3979
7.2.1.2 Nonrheumatic mitral valve - 4240
disorders
7.2.1.3 Nonrheumatic aortic valve - 4241
disorders
7.2.1.4 Other heart valve disorders - 4242 4243 42490 42491 42499 7852
7853 V422 V433
7.2.2 Peri-, endo-, and myocarditis, 97 -
cardiomyopathy (except that caused
by TB or STD)
7.2.2.1 Cardiomyopathy - 4250 4251 4252 4253 4254 4255
4257 4258 4259
7.2.2.2 Other peri-, endo-, and - 03282 03640 03641 03642 03643 07420
myocarditis 07421 07422 07423 11281 11503 11504
11513 11514 11593 11594 1303 3910
3911 3912 3918 3919 3920 393
3980 39890 39899 4200 42090 42091
42099 4210 4211 4219 4220 42290
42291 42292 42293 42299 4230 4231
4232 4238 4239 4290
7.2.3 Acute myocardial infarction 100 -
7.2.4 Coronary atherosclerosis and other 101 -
heart disease
7.2.4.1 Angina pectoris - 4130 4131 4139
7.2.4.2 Unstable angina (intermediate - 4111
coronary syndrome)
7.2.4.3 Other acute and subacute - 4110 4118 41181 41189
forms of ischemic heart
disease
7.2.4.4 Coronary atherosclerosis - 4140 41400 41401 41405 V4582
7.2.4.5 Other forms of chronic heart - 412 4148 4149 V4581
disease
7.2.5 Nonspecific chest pain 102 -
7.2.6 Pulmonary heart disease 103 -
7.2.7 Other and ill-defined heart disease 104 -
7.2.8 Conduction disorders 105 -
7.2.8.1 Atrioventricular block - 4260 42610 42611 42612 42613
7.2.8.2 Bundle branch block - 4262 4263 4264 42650 42651 42652
42653 42654
7.2.8.3 Anomalous atrioventricular - 4267
excitation
7.2.8.4 Other conduction disorders - 4266 42681 42689 4269 V450 V4500
V4501 V4502 V4509 V533 V5331 V5332
V5339
7.2.9 Cardiac dysrhythmias 106 -
7.2.9.1 Paroxysmal supraventricular - 4270
tachycardia
7.2.9.2 Paroxysmal ventricular - 4271
tachycardia
7.2.9.3 Atrial fibrillation - 42731
7.2.9.4 Atrial flutter - 42732
7.2.9.5 Premature beats - 42760 42761 42769
7.2.9.6 Sinoatrial node dysfunction - 42781
7.2.9.7 Other cardiac dysrhythmias - 4272 42789 4279 7850 7851
7.2.10 Cardiac arrest and ventricular 107 -
fibrillation
7.2.11 Congestive heart failure, 108 -
nonhypertensive
7.2.11.1 Congestive heart failure - 4280
7.2.11.2 Heart failure - 39891 4281 4289
7.3 Cerebrovascular disease 109 110 111 -
112 113
7.3.1 Acute cerebrovascular disease 109 -
7.3.1.1 Intracranial hemorrhage - 430 431 4320 4321 4329
7.3.1.2 Occlusion of cerebral arteries - 43301 43311 43321 43331 43381 43391
4340 43400 43401 4341 43410 43411
4349 43490 43491
7.3.1.3 Acute but ill-defined - 436
cerebrovascular accident
7.3.2 Occlusion or stenosis of precerebral 110 -
arteries
7.3.3 Other and ill-defined 111 -
cerebrovascular disease
7.3.4 Transient cerebral ischemia 112 -
7.3.5 Late effects of cerebrovascular 113 -
disease
7.4 Diseases of arteries, arterioles, and 114 115 116 -
capillaries 117
7.4.1 Peripheral and visceral 114 -
atherosclerosis
7.4.1.1 Atherosclerosis of arteries of - 4402 44020 44021 44022 44023 44029
extremities
7.4.1.2 Peripheral vascular disease - 4439
unspecified
7.4.1.3 Other peripheral and visceral - 4400 4401 4408 4409 5570 5571
atherosclerosis 5579
7.4.2 Aortic, peripheral, and visceral 115 -
artery aneurysms
7.4.2.1 Abdominal aortic aneurysm, - 4414
without rupture
7.4.2.2 Other aneurysm - 4410 44100 44101 44102 44103 4411
4412 4413 4415 4416 4417 4419
4420 4421 4422 4423 44281 44282
44283 44284 44289 4429
7.4.3 Aortic and peripheral arterial 116 -
embolism or thrombosis
7.4.3.1 Arterial embolism and - 44422
thrombosis of lower extremity
artery
7.4.3.2 Other arterial embolism and - 4440 4441 44421 44481 44489 4449
thrombosis
7.4.4 Other circulatory disease 117 -
7.4.4.1 Hypotension - 4580 4581 4588 4589
7.4.4.2 Other and unspecified - 4430 4431 44381 44389 4460 4461
circulatory disease 4462 44620 44621 44629 4463 4464
4465 4466 4467 4470 4471 4472
4473 4474 4475 4476 4478 4479
4480 4481 4489 4590 45989 4599
7859 79430 79431 79439 7962 V125
V1250 V1259 V151 V421 V432 V434
V717
7.5 Diseases of veins and lymphatics 118 119 120 -
121
7.5.1 Phlebitis, thrombophlebitis and 118 -
thromboembolism
7.5.1.1 Phlebitis and thrombophlebitis - 4510 45111 45119 4512 45181 45182
45183 45184 45189 4519 V1252
7.5.1.2 Other venous embolism and - 452 4530 4531 4532 4533 4538
thrombosis 4539 V1251
7.5.2 Varicose veins of lower extremity 119 -
7.5.3 Hemorrhoids 120 -
7.5.4 Other diseases of veins and 121 -
lymphatics
8 Diseases of the respiratory system 122 123 124 -
125 126 127
128 129 130
131 132 133
134
8.1 Respiratory infections 122 123 124 -
125 126
8.1.1 Pneumonia (except that caused by 122 -
TB or STD)
8.1.1.1 Pneumococcal pneumonia - 481
8.1.1.2 Other bacterial pneumonia - 00322 0203 0204 0205 0212 0221
0310 0391 4820 4821 4822 4823
48230 48231 48232 48239 4824 4828
48281 48282 48283 48284 48289
8.1.1.3 Pneumonia, organism - 486
unspecified
8.1.1.4 Other pneumonia - 0521 0551 0730 0830 1124 1140
1144 1145 11505 11515 11595 1304
1363 4800 4801 4802 4808 4809
4829 483 4830 4831 4838 4841
4843 4845 4846 4847 4848 485
5130 5171
8.1.2 Influenza 123 -
8.1.3 Acute and chronic tonsillitis 124 -
8.1.4 Acute bronchitis 125 -
8.1.5 Other upper respiratory infections 126 -
8.1.5.1 Acute upper respiratory - 4658 4659
infections of multiple or
unspecified sites
8.1.5.2 Chronic sinusitis - 4730 4731 4732 4733 4738 4739
8.1.5.3 Croup - 4644
8.1.5.4 Other and unspecified upper - 0320 0321 0322 0323 0340 460
respiratory infections 4610 4611 4612 4613 4618 4619
462 4640 46410 46411 46420 46421
46430 46431 4650
8.2 Chronic obstructive pulmonary 127 -
disease and bronchiectasis
8.2.1 Emphysema - 4928
8.2.2 Chronic airway obstruction, not - 496
otherwise specified
8.2.3 Obstructive chronic bronchitis - 4912 49120 49121
8.2.4 Other chronic pulmonary disease - 490 4910 4911 4918 4919 4920
494
8.3 Asthma 128 -
8.3.1 Chronic obstructive asthma - 49320 49321
8.3.1.1 Chronic obstructive asthma - 49320
without status asthmaticus
8.3.1.2 Chronic obstructive asthma - 49321
with status asthmaticus
8.3.2 Other and unspecified asthma - 49300 49301 49310 49311 49390 49391
8.3.2.1 Other asthma without status - 49300 49310 49390
asthmaticus
8.3.2.2 Other asthma with status - 49301 49311 49391
asthmaticus
8.4 Aspiration pneumonitis, food/vomitus 129 -
8.5 Pleurisy, pneumothorax, pulmonary 130 -
collapse
8.5.1 Pleurisy, pleural effusion - 5110 5111 5118 5119
8.5.2 Pulmonary collapse, interstitial and - 5180 5181 5182
compensatory emphysema
8.5.3 Empyema and pneumothorax - 5100 5109 5120 5128
8.6 Respiratory failure, insufficiency, 131 -
arrest (adult)
8.6.1 Respiratory failure - 51881
8.6.2 Other respiratory insufficiency - 5185 51882 7991 V461
8.7 Lung disease due to external agents 132 -
8.8 Other lower respiratory disease 133 -
8.8.1 Postinflammatory pulmonary fibrosis - 515
8.8.2 Painful respiration - 78652
8.8.3 Other and unspecified lower - 5131 514 5160 5161 5162 5163
respiratory disease 5168 5169 5172 5178 5183 5184
51889 5194 5198 5199 7825 78600
78601 78602 78609 7862 7863 7864
7866 7867 7868 7869 7931 7942
V126 V426
8.9 Other upper respiratory disease 134 -
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(1) Expanded diagnosis categories can consist of groups of Clinical Classifications for Health Policy
Research (CCHPR) categories, individual CCHPR categories, or individual ICD-9-CM codes. For information on
constituent ICD-9-CM codes for CCHPR categories listed here, refer to Appendix A.
Source: AHCPR, Center for Organization and Delivery Studies,
Healthcare Cost and Utilization Project (HCUP-3).