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
Rachitic
Rachitis, rachitism (acute) (tarda)
Radial nerve
Radiation
Radiculitis (pressure) (vertebrogenic)
Radiculomyelitis
Radiculopathy
Radiodermal burns (acute, chronic, or occupational)
Radiodermatitis
Radiotherapy session
RAEB (refractory anemia with excess blasts)
Rage, meaning rabies
Ragpicker's disease
Ragsorter's disease
Raillietiniasis
Railroad neurosis
Railway spine
Raised
Rake teeth, tooth
Rales
Ramifying renal pelvis
Ramsay-Hunt disease or syndrome
Ranula
Rape
Rapid
Rarefaction, bone
Rash (toxic)
Rasmussen aneurysm
Rasmussen encephalitis
Rat-bite fever
Rathke's pouch tumor
Raymond (-Céstan) syndrome
Raynaud's disease, phenomenon or syndrome (secondary)
RDS (newborn) (type I)
Reaction
Reactive airway disease
Reactive depression
Rearrangement
Recalcitrant patient
Recanalization, thrombus
Recession, receding
Recklinghausen disease
Reclus' disease (cystic)
Recrudescence
Recrudescent typhus (fever)
Recruitment, auditory
Rectalgia
Rectitis
Rectocele
Rectosigmoid junction
Rectosigmoiditis
Rectourethral
Rectovaginal
Rectovesical
Rectum, rectal
Recurrent
Red bugs
Red tide
Red-cedar lung or pneumonitis
Reduced
Redundant, redundancy
Reduplication
Reflex
Reflux
Reforming, artificial openings
Refractive error
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
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
Reticulocytosis
Reticuloendotheliosis
Reticulohistiocytoma (giant-cell)
Reticuloid, actinic
Reticulosis (skin)
Retina, retinal
Retinitis
Retinoblastoma
Retinochoroiditis
Retinopathy (background)
Retinoschisis
Retortamoniasis
Retractile testis
Retraction
Retrobulbar
Retrocecal
Retrocession
Retrodisplacement
Retroflection, retroflexion
Retrognathia, retrognathism (mandibular) (maxillary)
Retrograde menstruation
Retroperineal
Retroperitoneal
Retroperitonitis
Retropharyngeal
Retroplacental
Retroposition
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
Rhabdomyosarcoma (any type)
Rhabdosarcoma
Rhesus (factor) incompatibility
Rheumatic (acute) (subacute)
Rheumatism (articular) (neuralgic) (nonarticular)
Rheumatoid
Rhinitis (atrophic) (catarrhal) (chronic) (croupous) (fi
Rhinoantritis (chronic)
Rhinodacryolith
Rhinolith (nasal sinus)
Rhinomegaly
Rhinopharyngitis (acute) (subacute)
Rhinophyma
Rhinorrhea
Rhinosalpingitis
Rhinoscleroma
Rhinosinusitis
Rhinosporidiosis
Rhinovirus infection NEC
Rhizomelic chondrodysplasia punctata
Rhythm
Rhytidosis facialis
Rib
Riboflavin deficiency
Rice bodies
Richter syndrome
Richter's hernia
Ricinism
Rickets (active) (acute) (adolescent) (chest wall) (cong
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
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 pr
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
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
Roth (-Bernhardt) disease or syndrome
Rothmund (-Thomson) syndrome
Rotor's disease or syndrome
Round
Roussy-Lévy syndrome
Rubella (German measles)
Rubeola (meaning measles)
Rubeosis, iris
Rubinstein-Taybi syndrome
Rudimentary (congenital)
Ruled out condition
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

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Alphabetically Paginated Terms in the Diseases and Injuries Index