| Term Title |
ICD-10-CM Code |
Term Notes |
| Rabbit fever | | Tularemia |
| Rabies | A82.9 | |
| Rachischisis | | See: Spina bifida; |
| Rachitic | | Condition |
| Rachitis, rachitism (acute) (tarda) | | See Also: Rickets; |
| Radial nerve | | Condition |
| Radiation | | |
| Radiculitis (pressure) (vertebrogenic) | | Radiculopathy |
| Radiculomyelitis | | See Also: Encephalitis; |
| Radiculopathy | M54.10 | |
| Radiodermal burns (acute, chronic, or occupational) | | See: Burn; |
| Radiodermatitis | L58.9 | |
| Radiotherapy session | Z51.0 | |
| RAEB (refractory anemia with excess blasts) | D46.2 | |
| Rage, meaning rabies | | Rabies |
| Ragpicker's disease | A22.1 | |
| Ragsorter's disease | A22.1 | |
| Raillietiniasis | B71.8 | |
| Railroad neurosis | F48.8 | |
| Railway spine | F48.8 | |
| Raised | | See Also: Elevated; |
| Rake teeth, tooth | M26.39 | |
| Rales | R09.89 | |
| Ramifying renal pelvis | Q63.8 | |
| Ramsay-Hunt disease or syndrome | B02.21 | See Also: Hunt's disease; |
| Ranula | K11.6 | |
| Rape | | |
| Rapid | | |
| Rarefaction, bone | | See: Disorder, bone, density and structure, specified NEC; |
| Rash (toxic) | R21 | |
| Rasmussen aneurysm | | See: Tuberculosis, pulmonary; |
| Rasmussen encephalitis | G04.81 | |
| Rat-bite fever | A25.9 | |
| Rathke's pouch tumor | D44.3 | |
| Raymond (-Céstan) syndrome | I65.8 | |
| Raynaud's disease, phenomenon or syndrome (secondary) | I73.00 | |
| RDS (newborn) (type I) | P22.0 | |
| Reaction | | See Also: Disorder; |
| Reactive airway disease | | See: Asthma; |
| Reactive depression | | See: Reaction, depressive; |
| Rearrangement | | |
| Recalcitrant patient | | Noncompliance |
| Recanalization, thrombus | | See: Thrombosis; |
| Recession, receding | | |
| Recklinghausen disease | Q85.01 | |
| Reclus' disease (cystic) | | See: Mastopathy, cystic; |
| Recrudescent typhus (fever) | A75.1 | |
| Recruitment, auditory | H93.21 | |
| Rectalgia | K62.89 | |
| Rectitis | K62.89 | |
| Rectocele | | |
| Rectosigmoid junction | | Condition |
| Rectosigmoiditis | K63.89 | |
| Rectourethral | | Condition |
| Rectovaginal | | Condition |
| Rectovesical | | Condition |
| Rectum, rectal | | Condition |
| Recurrent | | Condition |
| Red bugs | B88.0 | |
| Red tide | T65.82 | See Also: Table of Drugs and Chemicals; |
| Red-cedar lung or pneumonitis | J67.8 | |
| Reduced | | |
| Redundant, redundancy | | |
| Reduplication | | See: Duplication; |
| Reflex | R29.2 | |
| Reflux | K21.9 | |
| Reforming, artificial openings | | See: Attention to, artificial, opening; |
| Refractive error | | See: Disorder, refraction; |
| Refsum's disease or syndrome | G60.1 | |
| Refusal of | | |
| Regional | | Condition |
| Regurgitation | R11.10 | |
| Reichmann's disease or syndrome | K31.89 | |
| Reifenstein syndrome | E34.52 | |
| Reinsertion | | |
| Reiter's disease, syndrome, or urethritis | M02.30 | |
| Rejection | | |
| Relapsing fever | A68.9 | |
| Relationship | | |
| Relaxation | | |
| Release from prison, anxiety concerning | Z65.2 | |
| Remains | | |
| Remittent fever (malarial) | B54 | |
| Remnant | | |
| Removal (from) (of) | | |
| Ren | | |
| Renal | | Condition |
| Rendu-Osler-Weber disease or syndrome | I78.0 | |
| Reninoma | D41.0 | |
| Renon-Delille syndrome | E23.3 | |
| Reovirus, as cause of disease classified elsewhere | B97.5 | |
| Repeated falls NEC | R29.6 | |
| Replaced chromosome by dicentric ring | Q93.2 | |
| Replacement by artificial or mechanical device or prosthesis of | | |
| Request for expert evidence | Z04.89 | |
| Reserve, decreased or low | | |
| Residing | | |
| Residual | | Condition |
| Resistance, resistant (to) | | |
| Resorption | | |
| Respiration | | |
| Respiratory | | Condition |
| Respite care | Z75.5 | |
| Response (drug) | | |
| Restenosis | | |
| Restless legs (syndrome) | G25.81 | |
| Restlessness | R45.1 | |
| Restoration (of) | | |
| Restorative material (dental) | | |
| Restriction of housing space | Z59.1 | |
| Rests, ovarian, in fallopian tube | Q50.6 | |
| Restzustand (schizophrenic) | F20.5 | |
| Retained | | Retention |
| Retardation | | |
| Retching | | Vomiting |
| Retention | | Retained |
| Reticular erythematous mucinosis | L98.5 | |
| Reticulation, dust | | See: Pneumoconiosis; |
| Reticulocytosis | R70.1 | |
| Reticuloendotheliosis | | |
| Reticulohistiocytoma (giant-cell) | D76.3 | |
| Reticuloid, actinic | L57.1 | |
| Reticulosis (skin) | | |
| Retina, retinal | | Condition |
| Retinitis | | See Also: Inflammation, chorioretinal; |
| Retinoblastoma | C69.2 | |
| Retinochoroiditis | | See Also: Inflammation, chorioretinal; |
| Retinopathy (background) | H35.00 | |
| Retinoschisis | H33.10 | |
| Retortamoniasis | A07.8 | |
| Retractile testis | Q55.22 | |
| Retraction | | |
| Retrobulbar | | Condition |
| Retrocecal | | Condition |
| Retrocession | | See: Retroversion; |
| Retrodisplacement | | See: Retroversion; |
| Retroflection, retroflexion | | See: Retroversion; |
| Retrognathia, retrognathism (mandibular) (maxillary) | M26.19 | |
| Retrograde menstruation | N92.5 | |
| Retroperineal | | Condition |
| Retroperitoneal | | Condition |
| Retroperitonitis | K68.9 | |
| Retropharyngeal | | Condition |
| Retroplacental | | Condition |
| Retroposition | | See: Retroversion; |
| Retroprosthetic membrane | T85.398 | |
| Retrosternal thyroid (congenital) | Q89.2 | |
| Retroversion, retroverted | | |
| Retrovirus, as cause of disease classified elsewhere | B97.30 | |
| Retrusion, premaxilla (developmental) | M26.09 | |
| Rett's disease or syndrome | F84.2 | |
| Reverse peristalsis | R19.2 | |
| Reye's syndrome | G93.7 | |
| Rh (factor) | | |
| Rhabdomyolysis (idiopathic) NEC | M62.82 | |
| Rhabdomyoma | | See Also: Neoplasm, connective tissue, benign; |
| Rhabdomyosarcoma (any type) | | See: Neoplasm, connective tissue, malignant; |
| Rhabdosarcoma | | See: Rhabdomyosarcoma; |
| Rhesus (factor) incompatibility | | See: Rh, incompatibility; |
| Rheumatic (acute) (subacute) | | |
| Rheumatism (articular) (neuralgic) (nonarticular) | M79.0 | |
| Rheumatoid | | Condition |
| Rhinitis (atrophic) (catarrhal) (chronic) (croupous) (fibrinous) (granulomatous) (hyperplastic) (hypertrophic) (membranous) (obstructive) (purulent) (suppurative) (ulcerative) | J31.0 | |
| Rhinoantritis (chronic) | | See: Sinusitis, maxillary; |
| Rhinodacryolith | | See: Dacryolith; |
| Rhinolith (nasal sinus) | J34.89 | |
| Rhinomegaly | J34.89 | |
| Rhinopharyngitis (acute) (subacute) | | See Also: Nasopharyngitis; |
| Rhinophyma | L71.1 | |
| Rhinorrhea | J34.89 | |
| Rhinosalpingitis | | See: Salpingitis, eustachian; |
| Rhinoscleroma | A48.8 | |
| Rhinosporidiosis | B48.1 | |
| Rhinovirus infection NEC | B34.8 | |
| Rhizomelic chondrodysplasia punctata | E71.540 | |
| Rhythm | | |
| Rhytidosis facialis | L98.8 | |
| Rib | | Condition |
| Riboflavin deficiency | E53.0 | |
| Rice bodies | | See Also: Loose, body, joint; |
| Richter syndrome | | See: Leukemia, chronic lymphocytic, B-cell type; |
| Richter's hernia | | See: Hernia, abdomen, with obstruction; |
| Ricinism | | See: Poisoning, food, noxious, plant; |
| Rickets (active) (acute) (adolescent) (chest wall) (congenital) (current) (infantile) (intestinal) | E55.0 | |
| Rickettsia 364D/R. philipii (Pacific Coast tick fever) | A77.8 | |
| Rickettsial disease | A79.9 | |
| Rickettsialpox (Rickettsia akari) | A79.1 | |
| Rickettsiosis | A79.9 | |
| Rider's bone | | See: Ossification, muscle, specified NEC; |
| Ridge, alveolus | | Condition |
| Ridged ear, congenital | Q17.3 | |
| Riedel's | | |
| Rieger's anomaly or syndrome | Q13.81 | |
| Riehl's melanosis | L81.4 | |
| Rietti-Greppi-Micheli anemia | D56.9 | |
| Rieux's hernia | | See: Hernia, abdomen, specified site NEC; |
| Riga (-Fede) disease | K14.0 | |
| Riggs' disease | | See: Periodontitis; |
| Right aortic arch | Q25.47 | |
| Right middle lobe syndrome | J98.11 | |
| Rigid, rigidity | | Condition |
| Rigors | R68.89 | |
| Riley-Day syndrome | G90.1 | |
| RIND (reversible ischemic neurologic deficit) | I63.9 | |
| Ring (s) | | |
| Ringed hair (congenital) | Q84.1 | |
| Ringworm | B35.9 | |
| Rise, venous pressure | I87.8 | |
| Rising, PSA following treatment for malignant neoplasm of prostate | R97.21 | |
| Risk | | |
| Ritter's disease | L00 | |
| Rivalry, sibling | Z62.891 | |
| Rivalta's disease | A42.2 | |
| River blindness | B73.01 | |
| Robert's pelvis | Q74.2 | |
| Robin (-Pierre) syndrome | Q87.0 | |
| Robinow-Silvermann-Smith syndrome | Q87.19 | |
| Robinson's (hidrotic) ectodermal dysplasia or syndrome | Q82.4 | |
| Robles' disease | B73.01 | |
| Rocky Mountain (spotted) fever | A77.0 | |
| Roetheln | | See: Rubella; |
| Roger's disease | Q21.0 | |
| Rokitansky-Aschoff sinuses (gallbladder) | K82.8 | |
| Rolando's fracture (displaced) | S62.22 | |
| Romano-Ward (prolonged QT interval) syndrome | I45.81 | |
| Romberg's disease or syndrome | G51.8 | |
| Roof, mouth | | Condition |
| Rosacea | L71.9 | |
| Rosary, rachitic | E55.0 | |
| Rose | | |
| Rosenbach's erysipeloid | A26.0 | |
| Rosenthal's disease or syndrome | D68.1 | |
| Roseola | B09 | |
| Ross River disease or fever | B33.1 | |
| Rossbach's disease | K31.89 | |
| Rostan's asthma (cardiac) | | See: Failure, ventricular, left; |
| Rotation | | |
| Rotes Quérol disease or syndrome | | See: Hyperostosis, ankylosing; |
| Roth (-Bernhardt) disease or syndrome | | See: Meralgia paraesthetica; |
| Rothmund (-Thomson) syndrome | Q82.8 | |
| Rotor's disease or syndrome | E80.6 | |
| Round | | |
| Roussy-Lévy syndrome | G60.0 | |
| Rubella (German measles) | B06.9 | |
| Rubeola (meaning measles) | | See: Measles; |
| Rubeosis, iris | | See: Disorder, iris, vascular; |
| Rubinstein-Taybi syndrome | Q87.2 | |
| Rudimentary (congenital) | | Agenesis |
| Ruled out condition | | See: Observation, suspected; |
| Rumination | R11.10 | |
| Runeberg's disease | D51.0 | |
| Runny nose | R09.89 | |
| Rupia (syphilitic) | A51.39 | |
| Rupture, ruptured | | |
| Russell-Silver syndrome | Q87.19 | |
| Russian spring-summer type encephalitis | A84.0 | |
| Rust's disease (tuberculous cervical spondylitis) | A18.01 | |
| Ruvalcaba-Myhre-Smith syndrome | E71.440 | |
| Rytand-Lipsitch syndrome | I44.2 | |
