ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 17, 2017

ICD 10 Index to diseases & injuries - “O”

Browse the alphabetic list of diseases and injuries to find the correct ICD 10 diagnosis (CM) code reference. Use the Search terms option to help quickly find the correct term you are looking for.

“O”Obermeyer's relapsing fever to Ocular muscle

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  • Obermeyer's relapsing fever (European)

    - A68.0
  • Obesity

    - E66.9
  • Oblique

    see condition
  • Obliteration

    • appendix (lumen) - K38.8
    • artery - I77.1
    • bile duct (noncalculous) - K83.1
    • common duct (noncalculous) - K83.1
    • cystic duct — see Obstruction, gallbladder
    • disease, arteriolar - I77.1
    • endometrium - N85.8
    • eye, anterior chamber — see Disorder, globe, hypotony
    • fallopian tube - N97.1
    • lymphatic vessel - I89.0
      • due to mastectomy - I97.2
    • organ or site, congenital NEC — see Atresia, by site
    • ureter - N13.5
    • urethra — see Stricture, urethra
    • vein - I87.8
    • vestibule (oral) - K08.89
  • Observation (following) (for) (without need for further medical care)

    - Z04.9
    • accident NEC - Z04.3
    • adverse effect of drug - Z03.6
    • alleged rape or sexual assault, ruled out (victim)
    • criminal assault - Z04.8
    • development state
      • adolescent - Z00.3
      • period of rapid growth in childhood - Z00.2
      • puberty - Z00.3
    • disease, specified NEC - Z03.89
    • following work accident - Z04.2
    • growth and development state — see Observation, development state
    • injuries NEC (accidental) — See also Observation, accident
    • newborn (for)
      • suspected condition, related to exposure from the mother or birth process — see - Newborn, affected by, maternal
    • postpartum
      • immediately after delivery - Z39.0
      • routine follow-up - Z39.2
    • pregnancy (normal) (without complication) - Z34.9
    • suicide attempt, alleged NEC - Z03.89
    • suspected, ruled out — See also Suspected condition, ruled out
      • abuse, physical
      • accident at work - Z04.2
      • adult battering victim - Z04.71
      • child battering victim - Z04.72
      • condition NEC - Z03.89
        • newborn - Z05.9See also Observation, newborn (for), suspected condition, ruled out
      • drug poisoning or adverse effect - Z03.6
      • exposure (to)
      • inflicted injury NEC - Z04.8
      • suicide attempt, alleged - Z03.89
      • toxic effects from ingested substance (drug) (poison) - Z03.6
    • toxic effects from ingested substance (drug) (poison) - Z03.6
  • Obsession, obsessional state

    - F42.8
    • mixed thoughts and acts - F42.2
  • Obsessive-compulsive neurosis or reaction

    - F42.8
  • Obstetric embolism, septic

    see Embolism, obstetric, septic
  • Obstetrical trauma (complicating delivery)

    - O71.9
    • with or following ectopic or molar pregnancy - O08.6
    • specified type NEC - O71.89
  • Obstipation

    see Constipation
  • Obstruction, obstructed, obstructive

    • airway - J98.8
      • with
      • chronic - J44.9
        • with
          • allergic alveolitis — see Pneumonitis, hypersensitivity
          • bronchiectasis - J47.9
            • with
              • exacerbation (acute) - J47.1
              • lower respiratory infection - J47.0
      • due to
        • foreign body — see Foreign body, by site, causing asphyxia
        • inhalation of fumes or vapors - J68.9
        • laryngospasm - J38.5
    • ampulla of Vater - K83.1
    • aortic (heart) (valve) — see Stenosis, aortic
    • aortoiliac - I74.09
    • aqueduct of Sylvius - G91.1
      • congenital - Q03.0
        • with spina bifida — see Spina bifida, by site, with hydrocephalus
    • Arnold-Chiari — see Arnold-Chiari disease
    • artery - I74.9See also Embolism, artery
      • stent — see Restenosis, stent
      • basilar (complete) (partial) — see Occlusion, artery, basilar
      • carotid (complete) (partial) — see Occlusion, artery, carotid
      • cerebellar — see Occlusion, artery, cerebellar
      • cerebral (anterior) (middle) (posterior) — see Occlusion, artery, cerebral
      • precerebral — see Occlusion, artery, precerebral
      • renal - N28.0
      • retinal NEC — see Occlusion, artery, retina
      • vertebral (complete) (partial) — see Occlusion, artery, vertebral
    • band (intestinal) - K56.69
    • bile duct or passage (common) (hepatic) (noncalculous) - K83.1
      • with calculus - K80.51
      • congenital (causing jaundice) - Q44.3
    • biliary (duct) (tract) - K83.1
    • bladder-neck (acquired) - N32.0
      • congenital - Q64.31
      • due to hyperplasia of prostate (hypertrophy) — see Hyperplasia, prostate
    • bowel — see Obstruction, intestine
    • bronchus - J98.09
    • canal, ear — see Stenosis, external ear canal
    • cardia - K22.2
    • caval veins (inferior) (superior) - I87.1
    • cecum — see Obstruction, intestine
    • circulatory - I99.8
    • colon — see Obstruction, intestine
    • common duct (noncalculous) - K83.1
    • coronary (artery) — see Occlusion, coronary
    • cystic duct — See also Obstruction, gallbladder
    • device, implant or graft - T85.698See also Complications, by site and type, mechanical
      • arterial graft NEC — see Complication, cardiovascular device, mechanical, vascular
      • catheter NEC - T85.628
      • due to infection - T85.79
      • gastrointestinal — see Complications, prosthetic device, mechanical, gastrointestinal device
      • genital NEC - T83.498
        • intrauterine contraceptive device - T83.39
        • penile prosthesis (cylinder) (implanted) (pump) (resevoir) - T83.490
        • testicular prosthesis - T83.491
      • heart NEC — see Complication, cardiovascular device, mechanical
      • joint prosthesis — see Complications, joint prosthesis, mechanical, specified NEC, by site
      • orthopedic NEC — see Complication, orthopedic, device, mechanical
      • specified NEC - T85.628
      • urinary NEC — See also Complication, genitourinary, device, urinary, mechanical
      • vascular NEC — see Complication, cardiovascular device, mechanical
      • ventricular intracranial shunt - T85.09
    • due to foreign body accidentally left in operative wound - T81.529
    • duodenum - K31.5
    • ejaculatory duct - N50.89
    • esophagus - K22.2
    • eustachian tube (complete) (partial) - H68.10
    • fallopian tube (bilateral) - N97.1
    • fecal - K56.41
      • with hernia — see Hernia, by site, with obstruction
    • foramen of Monro (congenital) - Q03.8
      • with spina bifida — see Spina bifida, by site, with hydrocephalus
    • foreign body — see Foreign body
    • gallbladder - K82.0
    • gastric outlet - K31.1
    • gastrointestinal — see Obstruction, intestine
    • hepatic - K76.89
      • duct (noncalculous) - K83.1
    • hepatobiliary - K83.1
    • ileum — see Obstruction, intestine
    • iliofemoral (artery) - I74.5
    • intestine - K56.60
    • intracardiac ball valve prosthesis - T82.09
    • jejunum — see Obstruction, intestine
    • joint prosthesis — see Complications, joint prosthesis, mechanical, specified NEC, by site
    • kidney (calices) - N28.89
    • labor — see Delivery
    • lacrimal (passages) (duct)
      • by
        • dacryolith — see Dacryolith
        • stenosis — see Stenosis, lacrimal
      • congenital - Q10.5
      • neonatal - H04.53
    • lacrimonasal duct — see Obstruction, lacrimal
    • lacteal, with steatorrhea - K90.2
    • laryngitis — see Laryngitis
    • larynx NEC - J38.6
    • lung - J98.4
      • disease, chronic - J44.9
    • lymphatic - I89.0
    • meconium (plug)
    • mitral — see Stenosis, mitral
    • nasal - J34.89
    • nasolacrimal duct — See also Obstruction, lacrimal
    • nasopharynx - J39.2
    • nose - J34.89
    • organ or site, congenital NEC — see Atresia, by site
    • pancreatic duct - K86.89
    • parotid duct or gland - K11.8
    • pelviureteral junction - N13.5
    • pharynx - J39.2
    • portal (circulation) (vein) - I81
    • prostate — See also Hyperplasia, prostate
      • valve (urinary) - N32.0
    • pulmonary valve (heart) - I37.0
    • pyelonephritis (chronic) - N11.1
    • pylorus
    • rectosigmoid — see Obstruction, intestine
    • rectum - K62.4
    • renal - N28.89
    • respiratory - J98.8
    • retinal (vessels) - H34.9
    • salivary duct (any) - K11.8
    • sigmoid — see Obstruction, intestine
    • sinus (accessory) (nasal) - J34.89
    • Stensen's duct - K11.8
    • stomach NEC - K31.89
    • submandibular duct - K11.8
    • submaxillary gland - K11.8
    • thoracic duct - I89.0
    • thrombotic — see Thrombosis
    • trachea - J39.8
    • tracheostomy airway - J95.03
    • tricuspid (valve) — see Stenosis, tricuspid
    • upper respiratory, congenital - Q34.8
    • ureter NEC (functional) (pelvic junction) - N13.5
      • with
        • hydronephrosis - N13.1
        • pyelonephritis (chronic) - N11.1
      • congenital - Q62.39
      • due to calculus — see Calculus, ureter
    • urethra NEC - N36.8
    • urinary (moderate) - N13.9
      • due to hyperplasia of prostate (hypertrophy) — see Hyperplasia, prostate
      • organ or tract (lower) - N13.9
      • prostatic valve - N32.0
      • specified NEC - N13.8
    • uropathy - N13.9
    • uterus - N85.8
    • vagina - N89.5
    • valvular — see Endocarditis
    • vein, venous - I87.1
      • caval (inferior) (superior) - I87.1
      • thrombotic — see Thrombosis
    • vena cava (inferior) (superior) - I87.1
    • vesical NEC - N32.0
    • vesicourethral orifice - N32.0
    • vessel NEC - I99.8
      • stent — see Restenosis, stent
  • Obturator

    see condition
  • Occlusal wear, teeth

    - K03.0
  • Occlusio pupillae

    see Membrane, pupillary
  • Occlusion, occluded

    • anus - K62.4
    • aortoiliac (chronic) - I74.09
    • aqueduct of Sylvius - G91.1
      • congenital - Q03.0
        • with spina bifida — see Spina bifida, by site, with hydrocephalus
    • artery - I74.9See also Embolism, artery
      • auditory, internal - I65.8
      • basilar - I65.1
      • brain or cerebral - I66.9
      • carotid - I65.2
      • cerebellar (anterior inferior) (posterior inferior) (superior) - I66.3
      • cerebral - I66.9
      • choroidal (anterior) — see Occlusion, artery, precerebral, specified NEC
      • communicating posterior — see Occlusion, artery, cerebral, specified NEC
      • complete
      • coronary (acute) (thrombotic) (without myocardial infarction) - I24.0
        • with myocardial infarction — see Infarction, myocardium
        • chronic total - I25.82
        • complete - I25.82
        • healed or old - I25.2
        • total (chronic) - I25.82
      • hypophyseal — see Occlusion, artery, precerebral, specified NEC
      • iliac - I74.5
      • lower extremities due to stenosis or stricture - I77.1
      • mesenteric (embolic) (thrombotic) - K55.069See also Infarct, intestine
      • perforating — see Occlusion, artery, cerebral, specified NEC
      • peripheral - I77.9
        • thrombotic or embolic - I74.4
      • pontine — see Occlusion, artery, cerebral, specified NEC
      • precerebral - I65.9
        • with infarction - I63.20
        • basilar — see Occlusion, artery, basilar
        • carotid — see Occlusion, artery, carotid
        • puerperal - O88.23
        • specified NEC - I65.8
        • vertebral — see Occlusion, artery, vertebral
      • renal - N28.0
      • retinal
      • spinal — see Occlusion, artery, precerebral, vertebral
      • total (chronic)
      • vertebral - I65.0
    • basilar artery — see Occlusion, artery, basilar
    • bile duct (common) (hepatic) (noncalculous) - K83.1
    • bowel — see Obstruction, intestine
    • carotid (artery) (common) (internal) — see Occlusion, artery, carotid
    • centric (of teeth) - M26.59
      • maximum intercuspation discrepancy - M26.55
    • cerebellar (artery) — see Occlusion, artery, cerebellar
    • cerebral (artery) — see Occlusion, artery, cerebral
    • cerebrovascular — See also Occlusion, artery, cerebral
      • with infarction - I63.5
    • cervical canal — see Stricture, cervix
    • cervix (uteri) — see Stricture, cervix
    • choanal - Q30.0
    • choroidal (artery) — see Occlusion, artery, precerebral, specified NEC
    • colon — see Obstruction, intestine
    • communicating posterior artery — see Occlusion, artery, precerebral, specified NEC
    • coronary (artery) (vein) (thrombotic) — See also Infarct, myocardium
    • cystic duct — see Obstruction, gallbladder
    • embolic — see Embolism
    • fallopian tube - N97.1
    • gallbladder — See also Obstruction, gallbladder
      • congenital (causing jaundice) - Q44.1
    • gingiva, traumatic - K06.2
    • hymen - N89.6
    • hypophyseal (artery) — see Occlusion, artery, precerebral, specified NEC
    • iliac artery - I74.5
    • intestine — see Obstruction, intestine
    • lacrimal passages — see Obstruction, lacrimal
    • lung - J98.4
    • lymph or lymphatic channel - I89.0
    • mammary duct - N64.89
    • mesenteric artery (embolic) (thrombotic) - K55.069See also Infarct, intestine
    • nose - J34.89
    • organ or site, congenital NEC — see Atresia, by site
    • oviduct - N97.1
    • peripheral arteries
      • due to stricture or stenosis - I77.1
      • upper extremity - I74.2
    • pontine (artery) — see Occlusion, artery, precerebral, specified NEC
    • posterior lingual, of mandibular teeth - M26.29
    • precerebral artery — see Occlusion, artery, precerebral
    • punctum lacrimale — see Obstruction, lacrimal
    • pupil — see Membrane, pupillary
    • pylorus, adult - K31.1See also Stricture, pylorus
    • renal artery - N28.0
    • retina, retinal
      • artery — see Occlusion, artery, retinal
      • vein (central) - H34.81
      • vessels - H34.9
    • spinal artery — see Occlusion, artery, precerebral, vertebral
    • teeth (mandibular) (posterior lingual) - M26.29
    • thoracic duct - I89.0
    • thrombotic — see Thrombosis, artery
    • traumatic
    • tubal - N97.1
    • ureter (complete) (partial) - N13.5
    • ureteropelvic junction - N13.5
    • ureterovesical orifice - N13.5
    • urethra — see Stricture, urethra
    • uterus - N85.8
    • vagina - N89.5
    • vascular NEC - I99.8
    • vein — see Thrombosis
      • retinal — see Occlusion, retinal, vein
    • vena cava (inferior) (superior) — see Embolism, vena cava
    • ventricle NEC (brain) - G91.1
    • vertebral (artery) — see Occlusion, artery, vertebral
    • vessel (blood) - I99.8
    • vulva - N90.5
  • Occult

    • blood in feces (stools) - R19.5
  • Occupational

  • Ochlophobia

    see Agoraphobia
  • Ochronosis (endogenous)

    - E70.29
  • Ocular muscle

    see condition
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When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.