2025 ICD-10-CM Diseases and Injuries - Index "R"
The ICD-10-CM Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s). To find the ICD-10-CM code for a specific condition browse this alphabetical index of clinical terms and conditions. Keep in mind that a condition may not appear under the exact same phrasing so make sure to use synonyms. Once you have identified the condition the ICD-10-CM code(s) should be listed next to that condition.
- Rabbit fever
- Rabies
- Rachischisis
- See: Spina bifida;
- Rachitic
- Rachitis, rachitism (acute) (tarda)
- See Also: Rickets;
- Radial nerve
- Radiation
- Radiculitis (pressure) (vertebrogenic)
- Radiculomyelitis
- See Also: Encephalitis;
- Radiculopathy
- Radiodermal burns (acute, chronic, or occupational)
- See: Burn;
- Radiodermatitis
- Radiotherapy session
- RAEB (refractory anemia with excess blasts)
- Rage, meaning rabies
- Ragpicker's disease
- Ragsorter's disease
- Raillietiniasis
- Railroad neurosis
- Railway spine
- Raised
- See Also: Elevated;
- Rake teeth, tooth
- Rales
- Ramifying renal pelvis
- Ramsay-Hunt disease or syndrome
- See Also: Hunt's, disease;
- Ranula
- Rape
- Rapid
- Rarefaction, bone
- Rash (toxic)
- Rasmussen aneurysm
- See: Tuberculosis, pulmonary;
- Rasmussen encephalitis
- Rat-bite fever
- Rathke's pouch tumor
- Raymond (-Céstan) syndrome
- Raynaud's disease, phenomenon or syndrome (secondary)
- RDS (newborn) (type I)
- Reaction
- See Also: Disorder;
- Reactive airway disease
- See: Asthma;
- Reactive depression
- See: Reaction, depressive;
- Rearrangement
- Recalcitrant patient
- Recanalization, thrombus
- See: Thrombosis;
- Recession, receding
- Recklinghausen disease
- Reclus' disease (cystic)
- See: Mastopathy, cystic;
- Recrudescence
- Recrudescent typhus (fever)
- Recruitment, auditory
- Rectalgia
- Rectitis
- Rectocele
- Rectosigmoid junction
- Rectosigmoiditis
- Rectourethral
- Rectovaginal
- Rectovesical
- Rectum, rectal
- Recurrent
- Red bugs
- Red tide
- See Also: Table of Drugs and Chemicals;
- Red-cedar lung or pneumonitis
- Reduced
- Redundant, redundancy
- Reduplication
- See: Duplication;
- Reflex
- Reflux
- Reforming, artificial openings
- Refractive error
- See: Disorder, refraction;
- Refsum's disease or syndrome
- Refusal of
- Regional
- Regurgitation
- Reichmann's disease or syndrome
- Reifenstein syndrome
- Reinsertion
- Reiter's disease, syndrome, or urethritis
- Rejection
- Relapsing fever
- Relationship
- Relaxation
- Release from prison, anxiety concerning
- Remains
- Remittent fever (malarial)
- Remnant
- Removal (from) (of)
- Ren
- Renal
- Rendu-Osler-Weber disease or syndrome
- Reninoma
- Renon-Delille syndrome
- Reovirus, as cause of disease classified elsewhere
- Repeated falls NEC
- Replaced chromosome by dicentric ring
- Replacement by artificial or mechanical device or prosthesis of
- Request for expert evidence
- Reserve, decreased or low
- Residing
- Residual
- Resistance, resistant (to)
- Resorption
- Respiration
- Respiratory
- Respite care
- Response (drug)
- Restenosis
- Restless legs (syndrome)
- Restlessness
- Restoration (of)
- Restorative material (dental)
- Restriction of housing space
- Rests, ovarian, in fallopian tube
- Restzustand (schizophrenic)
- Retained
- Retardation
- Retching
- Retention
- Reticular erythematous mucinosis
- Reticulation, dust
- See: Pneumoconiosis;
- Reticulocytosis
- Reticuloendotheliosis
- Reticulohistiocytoma (giant-cell)
- Reticuloid, actinic
- Reticulosis (skin)
- Retina, retinal
- Retinitis
- See Also: Inflammation, chorioretinal;
- Retinoblastoma
- Retinochoroiditis
- See Also: Inflammation, chorioretinal;
- Retinopathy (background)
- Retinoschisis
- Retortamoniasis
- Retractile testis
- Retraction
- Retrobulbar
- Retrocecal
- Retrocession
- See: Retroversion;
- Retrodisplacement
- See: Retroversion;
- Retroflection, retroflexion
- See: Retroversion;
- Retrognathia, retrognathism (mandibular) (maxillary)
- Retrograde menstruation
- Retroperineal
- Retroperitoneal
- Retroperitonitis
- Retropharyngeal
- Retroplacental
- Retroposition
- See: Retroversion;
- Retroprosthetic membrane
- Retrosternal thyroid (congenital)
- Retroversion, retroverted
- Retrovirus, as cause of disease classified elsewhere
- Retrusion, premaxilla (developmental)
- Rett's disease or syndrome
- Reverse peristalsis
- Reye's syndrome
- Rh (factor)
- Rhabdomyolysis (idiopathic) NEC
- Rhabdomyoma
- See Also: Neoplasm, connective tissue, benign;
- Rhabdomyosarcoma (any type)
- Rhabdosarcoma
- See: Rhabdomyosarcoma;
- Rhesus (factor) incompatibility
- See: Rh, incompatibility;
- Rheumatic (acute) (subacute)
- Rheumatism (articular) (neuralgic) (nonarticular)
- Rheumatoid
- Rhinitis (atrophic) (catarrhal) (chronic) (croupous) (fibrinous) (granulomatous) (hyperplastic) (hypertrophic) (membranous) (obstructive) (purulent) (suppurative) (ulcerative)
- Rhinoantritis (chronic)
- See: Sinusitis, maxillary;
- Rhinodacryolith
- See: Dacryolith;
- Rhinolith (nasal sinus)
- Rhinomegaly
- Rhinopharyngitis (acute) (subacute)
- See Also: Nasopharyngitis;
- Rhinophyma
- Rhinorrhea
- Rhinosalpingitis
- See: Salpingitis, eustachian;
- Rhinoscleroma
- Rhinosinusitis
- See: Sinusitis;
- Rhinosporidiosis
- Rhinovirus infection NEC
- Rhizomelic chondrodysplasia punctata
- Rhythm
- Rhytidosis facialis
- Rib
- Riboflavin deficiency
- Rice bodies
- See Also: Loose, body, joint;
- Richter syndrome
- Richter's hernia
- Ricinism
- Rickets (active) (acute) (adolescent) (chest wall) (congenital) (current) (infantile) (intestinal)
- Rickettsia 364D/R. philipii (Pacific Coast tick fever)
- Rickettsial disease
- Rickettsialpox (Rickettsia akari)
- Rickettsiosis
- Rider's bone
- Ridge, alveolus
- Ridged ear, congenital
- Riedel's
- Rieger anomaly or syndrome
- Riehl's melanosis
- Rietti-Greppi-Micheli anemia
- Rieux's hernia
- Riga (-Fede) disease
- Riggs' disease
- See: Periodontitis;
- Right aortic arch
- Right middle lobe syndrome
- Rigid, rigidity
- Rigors
- Riley-Day syndrome
- RIND (reversible ischemic neurologic deficit)
- Ring (s)
- Ringed hair (congenital)
- Ringworm
- Rise, venous pressure
- Rising, PSA following treatment for malignant neoplasm of prostate
- Risk
- Ritter's disease
- Rivalry, sibling
- Rivalta's disease
- River blindness
- Robert's pelvis
- Robin (-Pierre) syndrome
- Robinow-Silverman-Smith syndrome
- Robinson's (hidrotic) ectodermal dysplasia or syndrome
- Robles' disease
- Rocky Mountain (spotted) fever
- Roetheln
- See: Rubella;
- Roger's disease
- Rokitansky-Aschoff sinuses (gallbladder)
- Rolando's fracture (displaced)
- Romano-Ward (prolonged QT interval) syndrome
- Romberg's disease or syndrome
- Roof, mouth
- Rosacea
- Rosary, rachitic
- Rose
- Rosenbach's erysipeloid
- Rosenthal's disease or syndrome
- Roseola
- Ross River disease or fever
- Rossbach's disease
- Rostan's asthma (cardiac)
- Rotation
- Rotes Quérol disease or syndrome
- See: Hyperostosis, ankylosing;
- Roth (-Bernhardt) disease or syndrome
- See: Meralgia paraesthetica;
- Rothmund (-Thomson) syndrome
- Rotor's disease or syndrome
- Round
- Roussy-Lévy syndrome
- Rubella (German measles)
- Rubeola (meaning measles)
- See: Measles;
- Rubeosis, iris
- See: Disorder, iris, vascular;
- Rubinstein-Taybi syndrome
- Rudimentary (congenital)
- Ruled out condition
- See: Observation, suspected;
- Rumination
- Runaway [from current living environment]
- Runeberg's disease
- Running out of money
- Runny nose
- Rupia (syphilitic)
- Rupture, ruptured
- Russell-Silver syndrome
- Russian spring-summer type encephalitis
- Rust's disease (tuberculous cervical spondylitis)
- Ruvalcaba-Myhre-Smith syndrome
- Rytand-Lipsitch syndrome
