| Jakob-Creutzfeldt disease | 0461 |  |
| Japanese encephalitis | 0620 |  |
| Jaundice unspecified not of newborn | 7824 |  |
| Joint replaced by other means | V436 |  |
| Joint replaced by other means ankle | V4366 |  |
| Joint replaced by other means elbow | V4362 |  |
| Joint replaced by other means hip | V4364 |  |
| Joint replaced by other means knee | V4365 |  |
| Joint replaced by other means other | V4369 |  |
| Joint replaced by other means shoulder | V4361 |  |
| Joint replaced by other means unspecified | V4360 |  |
| Joint replaced by other means wrist | V4363 |  |
| Juvenile chronic polyarthritis | 7143 |  |
| Juvenile dermatitis herpetiformis | 6942 |  |
| Juvenile epithelial corneal dystrophy | 37151 |  |
| Juvenile neurosyphilis | 0904 |  |
| Juvenile neurosyphilis unspecified | 09040 |  |
| Juvenile osteochondrosis of foot | 7325 |  |
| Juvenile osteochondrosis of hip and pelvis | 7321 |  |
| Juvenile osteochondrosis of lower extremity excluding foot | 7324 |  |
| Juvenile osteochondrosis of spine | 7320 |  |
| Juvenile osteochondrosis of upper extremity | 7323 |  |