October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

Y90-Y99 — Supplementary factors related to causes of morbidity classified elsewhere

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in range

334

No clinical group

334

A period cannot be grouped from these.

Barred as primary

0

CMS rejects these in the primary position.

Where these codes group

None of the 334 codes in Y90-Y99 is assigned a PDGM clinical group. A 30-day period cannot be grouped from any of them, so none can hold the primary position on a home health claim.

Code families in Y90-Y99

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in Y90-Y99

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
Y900Blood alcohol level of less than 20 mg/100 mlNoneCannot lead a claim
Y901Blood alcohol level of 20-39 mg/100 mlNoneCannot lead a claim
Y902Blood alcohol level of 40-59 mg/100 mlNoneCannot lead a claim
Y903Blood alcohol level of 60-79 mg/100 mlNoneCannot lead a claim
Y904Blood alcohol level of 80-99 mg/100 mlNoneCannot lead a claim
Y905Blood alcohol level of 100-119 mg/100 mlNoneCannot lead a claim
Y906Blood alcohol level of 120-199 mg/100 mlNoneCannot lead a claim
Y907Blood alcohol level of 200-239 mg/100 mlNoneCannot lead a claim
Y908Blood alcohol level of 240 mg/100 ml or moreNoneCannot lead a claim
Y909Presence of alcohol in blood, level not specifiedNoneCannot lead a claim
Y92000Kitchen of unsp non-institut (private) residence as placeNoneCannot lead a claim
Y92001Dining room of unsp non-institut residence as placeNoneCannot lead a claim
Y92002Bathroom of unsp non-institut (private) residence as placeNoneCannot lead a claim
Y92003Bedroom of unsp non-institut (private) residence as placeNoneCannot lead a claim
Y92007Garden or yard of unsp non-institut residence as placeNoneCannot lead a claim
Y92008Oth place in unsp non-institut (private) residence as placeNoneCannot lead a claim
Y92009Unsp place in unsp non-institut (private) residence as placeNoneCannot lead a claim
Y92010Kitchen of single-family (private) house as placeNoneCannot lead a claim
Y92011Dining room of single-family (private) house as placeNoneCannot lead a claim
Y92012Bathroom of single-family (private) house as placeNoneCannot lead a claim
Y92013Bedroom of single-family (private) house as placeNoneCannot lead a claim
Y92014Private driveway to single-family (private) house as placeNoneCannot lead a claim
Y92015Private garage of single-family (private) house as placeNoneCannot lead a claim
Y92016Swm-pool in sngl-fmly (private) house or garden as placeNoneCannot lead a claim
Y92017Garden or yard in single-family (private) house as placeNoneCannot lead a claim
Y92018Oth place in single-family (private) house as placeNoneCannot lead a claim
Y92019Unsp place in single-family (private) house as placeNoneCannot lead a claim
Y92020Kitchen in mobile home as placeNoneCannot lead a claim
Y92021Dining room in mobile home as placeNoneCannot lead a claim
Y92022Bathroom in mobile home as placeNoneCannot lead a claim
Y92023Bedroom in mobile home as placeNoneCannot lead a claim
Y92024Driveway of mobile home as placeNoneCannot lead a claim
Y92025Garage of mobile home as placeNoneCannot lead a claim
Y92026Swimming-pool of mobile home as placeNoneCannot lead a claim
Y92027Garden or yard of mobile home as placeNoneCannot lead a claim
Y92028Oth place in mobile home as placeNoneCannot lead a claim
Y92029Unsp place in mobile home as placeNoneCannot lead a claim
Y92030Kitchen in apartment as placeNoneCannot lead a claim
Y92031Bathroom in apartment as placeNoneCannot lead a claim
Y92032Bedroom in apartment as placeNoneCannot lead a claim
Y92038Oth place in apartment as placeNoneCannot lead a claim
Y92039Unsp place in apartment as placeNoneCannot lead a claim
Y92040Kitchen in boarding-house as placeNoneCannot lead a claim
Y92041Bathroom in boarding-house as placeNoneCannot lead a claim
Y92042Bedroom in boarding-house as placeNoneCannot lead a claim
Y92043Driveway of boarding-house as placeNoneCannot lead a claim
Y92044Garage of boarding-house as placeNoneCannot lead a claim
Y92045Swimming-pool of boarding-house as placeNoneCannot lead a claim
Y92046Garden or yard of boarding-house as placeNoneCannot lead a claim
Y92048Oth place in boarding-house as placeNoneCannot lead a claim
Y92049Unsp place in boarding-house as placeNoneCannot lead a claim
Y92090Kitchen in oth non-institutional residence as placeNoneCannot lead a claim
Y92091Bathroom in oth non-institutional residence as placeNoneCannot lead a claim
Y92092Bedroom in oth non-institutional residence as placeNoneCannot lead a claim
Y92093Driveway of non-institutional residence as placeNoneCannot lead a claim
Y92094Garage of non-institutional residence as placeNoneCannot lead a claim
Y92095Swimming-pool of non-institutional residence as placeNoneCannot lead a claim
Y92096Garden or yard of non-institutional residence as placeNoneCannot lead a claim
Y92098Oth place in oth non-institutional residence as placeNoneCannot lead a claim
Y92099Unsp place in oth non-institutional residence as placeNoneCannot lead a claim
Y9210Unsp residential institution as placeNoneCannot lead a claim
Y92110Kitchen in children's home and orphanage as placeNoneCannot lead a claim
Y92111Bathroom in children's home and orphanage as placeNoneCannot lead a claim
Y92112Bedroom in children's home and orphanage as placeNoneCannot lead a claim
Y92113Driveway of children's home and orphanage as placeNoneCannot lead a claim
Y92114Garage of children's home and orphanage as placeNoneCannot lead a claim
Y92115Swimming-pool of children's home and orphanage as placeNoneCannot lead a claim
Y92116Garden or yard of children's home and orphanage as placeNoneCannot lead a claim
Y92118Oth place in children's home and orphanage as placeNoneCannot lead a claim
Y92119Unsp place in children's home and orphanage as placeNoneCannot lead a claim
Y92120Kitchen in nursing home as placeNoneCannot lead a claim
Y92121Bathroom in nursing home as placeNoneCannot lead a claim
Y92122Bedroom in nursing home as placeNoneCannot lead a claim
Y92123Driveway of nursing home as placeNoneCannot lead a claim
Y92124Garage of nursing home as placeNoneCannot lead a claim
Y92125Swimming-pool of nursing home as placeNoneCannot lead a claim
Y92126Garden or yard of nursing home as placeNoneCannot lead a claim
Y92128Oth place in nursing home as placeNoneCannot lead a claim
Y92129Unsp place in nursing home as placeNoneCannot lead a claim
Y92130Kitchen on military base as placeNoneCannot lead a claim
Y92131Mess hall on military base as placeNoneCannot lead a claim
Y92133Barracks on military base as placeNoneCannot lead a claim
Y92135Garage on military base as placeNoneCannot lead a claim
Y92136Swimming-pool on military base as placeNoneCannot lead a claim
Y92137Garden or yard on military base as placeNoneCannot lead a claim
Y92138Oth place on military base as placeNoneCannot lead a claim
Y92139Unsp place military base as placeNoneCannot lead a claim
Y92140Kitchen in prison as placeNoneCannot lead a claim
Y92141Dining room in prison as placeNoneCannot lead a claim
Y92142Bathroom in prison as placeNoneCannot lead a claim
Y92143Cell of prison as placeNoneCannot lead a claim
Y92146Swimming-pool of prison as placeNoneCannot lead a claim
Y92147Courtyard of prison as placeNoneCannot lead a claim
Y92148Oth place in prison as placeNoneCannot lead a claim
Y92149Unsp place in prison as placeNoneCannot lead a claim
Y92150Kitchen in reform school as placeNoneCannot lead a claim
Y92151Dining room in reform school as placeNoneCannot lead a claim
Y92152Bathroom in reform school as placeNoneCannot lead a claim
Y92153Bedroom in reform school as placeNoneCannot lead a claim
Y92154Driveway of reform school as placeNoneCannot lead a claim
Y92155Garage of reform school as placeNoneCannot lead a claim
Y92156Swimming-pool of reform school as placeNoneCannot lead a claim
Y92157Garden or yard of reform school as placeNoneCannot lead a claim
Y92158Oth place in reform school as placeNoneCannot lead a claim
Y92159Unsp place in reform school as placeNoneCannot lead a claim
Y92160Kitchen in school dormitory as placeNoneCannot lead a claim
Y92161Dining room in school dormitory as placeNoneCannot lead a claim
Y92162Bathroom in school dormitory as placeNoneCannot lead a claim
Y92163Bedroom in school dormitory as placeNoneCannot lead a claim
Y92168Oth place in school dormitory as placeNoneCannot lead a claim
Y92169Unsp place in school dormitory as placeNoneCannot lead a claim
Y92190Kitchen in oth residential institution as placeNoneCannot lead a claim
Y92191Dining room in oth residential institution as placeNoneCannot lead a claim
Y92192Bathroom in oth residential institution as placeNoneCannot lead a claim
Y92193Bedroom in oth residential institution as placeNoneCannot lead a claim
Y92194Driveway of residential institution as placeNoneCannot lead a claim
Y92195Garage of residential institution as placeNoneCannot lead a claim
Y92196Pool of residential institution as placeNoneCannot lead a claim
Y92197Garden or yard of residential institution as placeNoneCannot lead a claim
Y92198Oth place in oth residential institution as placeNoneCannot lead a claim
Y92199Unsp place in oth residential institution as placeNoneCannot lead a claim
Y92210Daycare center as placeNoneCannot lead a claim
Y92211Elementary school as placeNoneCannot lead a claim
Y92212Middle school as placeNoneCannot lead a claim
Y92213High school as the place of occurrence of the external causeNoneCannot lead a claim
Y92214College as the place of occurrence of the external causeNoneCannot lead a claim
Y92215Trade school as placeNoneCannot lead a claim
Y92218Oth school as the place of occurrence of the external causeNoneCannot lead a claim
Y92219Unsp school as the place of occurrence of the external causeNoneCannot lead a claim
Y9222Religious institution as placeNoneCannot lead a claim
Y92230Patient room in hospital as placeNoneCannot lead a claim
Y92231Patient bathroom in hospital as placeNoneCannot lead a claim
Y92232Corridor of hospital as placeNoneCannot lead a claim
Y92233Cafeteria of hospital as placeNoneCannot lead a claim
Y92234Operating room of hospital as placeNoneCannot lead a claim
Y92238Oth place in hospital as placeNoneCannot lead a claim
Y92239Unsp place in hospital as placeNoneCannot lead a claim
Y92240Courthouse as the place of occurrence of the external causeNoneCannot lead a claim
Y92241Library as the place of occurrence of the external causeNoneCannot lead a claim
Y92242Post office as the place of occurrence of the external causeNoneCannot lead a claim
Y92243City hall as the place of occurrence of the external causeNoneCannot lead a claim
Y92248Oth public administrative building as placeNoneCannot lead a claim
Y92250Art Gallery as the place of occurrence of the external causeNoneCannot lead a claim
Y92251Museum as the place of occurrence of the external causeNoneCannot lead a claim
Y92252Music hall as the place of occurrence of the external causeNoneCannot lead a claim
Y92253Opera house as the place of occurrence of the external causeNoneCannot lead a claim
Y92254Theater (live) as placeNoneCannot lead a claim
Y92258Oth cultural public building as placeNoneCannot lead a claim
Y9226Movie house or cinema as placeNoneCannot lead a claim
Y9229Oth public building as placeNoneCannot lead a claim
Y92310Basketball court as placeNoneCannot lead a claim
Y92311Squash court as placeNoneCannot lead a claim
Y92312Tennis court as placeNoneCannot lead a claim
Y92318Oth athletic court as placeNoneCannot lead a claim
Y92320Baseball field as placeNoneCannot lead a claim
Y92321Football field as placeNoneCannot lead a claim
Y92322Soccer field as placeNoneCannot lead a claim
Y92328Oth athletic field as placeNoneCannot lead a claim
Y92330Ice skating rink (indoor) (outdoor) as placeNoneCannot lead a claim
Y92331Roller skating rink as placeNoneCannot lead a claim
Y9234Swimming pool (public) as placeNoneCannot lead a claim
Y9239Oth sports and athletic area as placeNoneCannot lead a claim
Y92410Unsp street and highway as placeNoneCannot lead a claim
Y92411Interstate highway as placeNoneCannot lead a claim
Y92412Parkway as the place of occurrence of the external causeNoneCannot lead a claim
Y92413State road as the place of occurrence of the external causeNoneCannot lead a claim
Y92414Local residential or business street as placeNoneCannot lead a claim
Y92415Exit ramp or entrance ramp of street or highway as placeNoneCannot lead a claim
Y92480Sidewalk as the place of occurrence of the external causeNoneCannot lead a claim
Y92481Parking lot as the place of occurrence of the external causeNoneCannot lead a claim
Y92482Bike path as the place of occurrence of the external causeNoneCannot lead a claim
Y92488Oth paved roadways as placeNoneCannot lead a claim
Y92510Bank as the place of occurrence of the external causeNoneCannot lead a claim
Y92511Restaurant or cafe as placeNoneCannot lead a claim
Y92512Supermarket, store or market as placeNoneCannot lead a claim
Y92513Shop (commercial) as placeNoneCannot lead a claim
Y92520Airport as the place of occurrence of the external causeNoneCannot lead a claim
Y92521Bus station as the place of occurrence of the external causeNoneCannot lead a claim
Y92522Railway station as placeNoneCannot lead a claim
Y92523Highway rest stop as placeNoneCannot lead a claim
Y92524Gas station as the place of occurrence of the external causeNoneCannot lead a claim
Y92530Ambulatory surgery center as placeNoneCannot lead a claim
Y92531Health care provider office as placeNoneCannot lead a claim
Y92532Urgent care center as placeNoneCannot lead a claim
Y92538Oth ambulatory health services establishments as placeNoneCannot lead a claim
Y9259Oth trade areas as placeNoneCannot lead a claim
Y9261Building under construction as placeNoneCannot lead a claim
Y9262Dock or shipyard as placeNoneCannot lead a claim
Y9263Factory as the place of occurrence of the external causeNoneCannot lead a claim
Y9264Mine or pit as the place of occurrence of the external causeNoneCannot lead a claim
Y9265Oil rig as the place of occurrence of the external causeNoneCannot lead a claim
Y9269Oth industrial and construction area as placeNoneCannot lead a claim
Y9271Barn as the place of occurrence of the external causeNoneCannot lead a claim
Y9272Chicken coop as placeNoneCannot lead a claim
Y9273Farm field as the place of occurrence of the external causeNoneCannot lead a claim
Y9274Orchard as the place of occurrence of the external causeNoneCannot lead a claim
Y9279Oth farm location as placeNoneCannot lead a claim
Y92810Car as the place of occurrence of the external causeNoneCannot lead a claim
Y92811Bus as the place of occurrence of the external causeNoneCannot lead a claim
Y92812Truck as the place of occurrence of the external causeNoneCannot lead a claim
Y92813Airplane as the place of occurrence of the external causeNoneCannot lead a claim
Y92814Boat as the place of occurrence of the external causeNoneCannot lead a claim
Y92815Train as the place of occurrence of the external causeNoneCannot lead a claim
Y92816Subway car as the place of occurrence of the external causeNoneCannot lead a claim
Y92818Oth transport vehicle as placeNoneCannot lead a claim
Y92820Desert as the place of occurrence of the external causeNoneCannot lead a claim
Y92821Forest as the place of occurrence of the external causeNoneCannot lead a claim
Y92828Oth wilderness area as placeNoneCannot lead a claim
Y92830Public park as the place of occurrence of the external causeNoneCannot lead a claim
Y92831Amusement park as placeNoneCannot lead a claim
Y92832Beach as the place of occurrence of the external causeNoneCannot lead a claim
Y92833Campsite as the place of occurrence of the external causeNoneCannot lead a claim
Y92834Zoological garden (Zoo) as placeNoneCannot lead a claim
Y92838Oth recreation area as placeNoneCannot lead a claim
Y9284Military training ground as placeNoneCannot lead a claim
Y9285Railroad track as placeNoneCannot lead a claim
Y9286Slaughter house as placeNoneCannot lead a claim
Y9289Oth places as the place of occurrence of the external causeNoneCannot lead a claim
Y929Unspecified place or not applicableNoneCannot lead a claim
Y9301Activity, walking, marching and hikingNoneCannot lead a claim
Y9302Activity, runningNoneCannot lead a claim
Y9311Activity, swimmingNoneCannot lead a claim
Y9312Activity, springboard and platform divingNoneCannot lead a claim
Y9313Activity, water poloNoneCannot lead a claim
Y9314Activity, water aerobics and water exerciseNoneCannot lead a claim
Y9315Activity, underwater diving and snorkelingNoneCannot lead a claim
Y9316Activity, rowing, canoeing, kayaking, rafting and tubingNoneCannot lead a claim
Y9317Activity, water skiing and wake boardingNoneCannot lead a claim
Y9318Activity, surfing, windsurfing and boogie boardingNoneCannot lead a claim
Y9319Activity, other involving water and watercraftNoneCannot lead a claim
Y9321Activity, ice skatingNoneCannot lead a claim
Y9322Activity, ice hockeyNoneCannot lead a claim
Y9323Actvty,snow (alp/dwnhl) ski,snowboard,sled,tobogn & tubingNoneCannot lead a claim
Y9324Activity, cross country skiingNoneCannot lead a claim
Y9329Activity, other involving ice and snowNoneCannot lead a claim
Y9331Activity, mountain climbing, rock climbing and wall climbingNoneCannot lead a claim
Y9332Activity, rappellingNoneCannot lead a claim
Y9333Activity, BASE jumpingNoneCannot lead a claim
Y9334Activity, bungee jumpingNoneCannot lead a claim
Y9335Activity, hang glidingNoneCannot lead a claim
Y9339Activity, oth involving climbing, rappelling and jumping offNoneCannot lead a claim
Y9341Activity, dancingNoneCannot lead a claim
Y9342Activity, yogaNoneCannot lead a claim
Y9343Activity, gymnasticsNoneCannot lead a claim
Y9344Activity, trampoliningNoneCannot lead a claim
Y9345Activity, cheerleadingNoneCannot lead a claim
Y9349Activity, oth involving dancing and other rhythmic movementsNoneCannot lead a claim
Y9351Activity, roller skating (inline) and skateboardingNoneCannot lead a claim
Y9352Activity, horseback ridingNoneCannot lead a claim
Y9353Activity, golfNoneCannot lead a claim
Y9354Activity, bowlingNoneCannot lead a claim
Y9355Activity, bike ridingNoneCannot lead a claim
Y9356Activity, jumping ropeNoneCannot lead a claim
Y9357Activity, non-running track and field eventsNoneCannot lead a claim
Y9359Activity, oth w oth sports and athletics played individNoneCannot lead a claim
Y9361Activity, american tackle footballNoneCannot lead a claim
Y9362Activity, american flag or touch footballNoneCannot lead a claim
Y9363Activity, rugbyNoneCannot lead a claim
Y9364Activity, baseballNoneCannot lead a claim
Y9365Activity, lacrosse and field hockeyNoneCannot lead a claim
Y9366Activity, soccerNoneCannot lead a claim
Y9367Activity, basketballNoneCannot lead a claim
Y9368Activity, volleyball (beach) (court)NoneCannot lead a claim
Y9369Actvty, oth w oth sports & athletics played as a team or grpNoneCannot lead a claim
Y936AActvty,physcl games assoc w school recess, sumr camp & childNoneCannot lead a claim
Y9371Activity, boxingNoneCannot lead a claim
Y9372Activity, wrestlingNoneCannot lead a claim
Y9373Activity, racquet and hand sportsNoneCannot lead a claim
Y9374Activity, frisbeeNoneCannot lead a claim
Y9375Activity, martial artsNoneCannot lead a claim
Y9379Activity, other specified sports and athleticsNoneCannot lead a claim
Y9381Activity, refereeing a sports activityNoneCannot lead a claim
Y9382Activity, spectator at an eventNoneCannot lead a claim
Y9383Activity, rough housing and horseplayNoneCannot lead a claim
Y9384Activity, sleepingNoneCannot lead a claim
Y9385Activity, choking gameNoneCannot lead a claim
Y9389Activity, other specifiedNoneCannot lead a claim
Y939Activity, unspecifiedNoneCannot lead a claim
Y93A1Activity, exercise machines prim for cardioresp conditioningNoneCannot lead a claim
Y93A2Activity, calisthenicsNoneCannot lead a claim
Y93A3Activity, aerobic and step exerciseNoneCannot lead a claim
Y93A4Activity, circuit trainingNoneCannot lead a claim
Y93A5Activity, obstacle courseNoneCannot lead a claim
Y93A6Activity, grass drillsNoneCannot lead a claim
Y93A9Activity, other involving cardiorespiratory exerciseNoneCannot lead a claim
Y93B1Activity, exercise machines prim for muscle strengtheningNoneCannot lead a claim
Y93B2Activity, push-ups, pull-ups, sit-upsNoneCannot lead a claim
Y93B3Activity, free weightsNoneCannot lead a claim
Y93B4Activity, pilatesNoneCannot lead a claim
Y93B9Activity, other involving muscle strengthening exercisesNoneCannot lead a claim
Y93C1Activity, computer keyboardingNoneCannot lead a claim
Y93C2Activity, hand held interactive electronic deviceNoneCannot lead a claim
Y93C9Activity, oth involving computer tech and electrnc devicesNoneCannot lead a claim
Y93D1Activity, knitting and crochetingNoneCannot lead a claim
Y93D2Activity, sewingNoneCannot lead a claim
Y93D3Activity, furniture building and finishingNoneCannot lead a claim
Y93D9Activity, other involving arts and handcraftsNoneCannot lead a claim
Y93E1Activity, personal bathing and showeringNoneCannot lead a claim
Y93E2Activity, laundryNoneCannot lead a claim
Y93E3Activity, vacuumingNoneCannot lead a claim
Y93E4Activity, ironingNoneCannot lead a claim
Y93E5Activity, floor mopping and cleaningNoneCannot lead a claim
Y93E6Activity, residential relocationNoneCannot lead a claim
Y93E8Activity, other personal hygieneNoneCannot lead a claim
Y93E9Activity, other interior property and clothing maintenanceNoneCannot lead a claim
Y93F1Activity, caregiving, bathingNoneCannot lead a claim
Y93F2Activity, caregiving, liftingNoneCannot lead a claim
Y93F9Activity, other caregivingNoneCannot lead a claim
Y93G1Activity, food preparation and clean upNoneCannot lead a claim
Y93G2Activity, grilling and smoking foodNoneCannot lead a claim
Y93G3Activity, cooking and bakingNoneCannot lead a claim
Y93G9Activity, other involving cooking and grillingNoneCannot lead a claim
Y93H1Activity, digging, shoveling and rakingNoneCannot lead a claim
Y93H2Activity, gardening and landscapingNoneCannot lead a claim
Y93H3Activity, building and constructionNoneCannot lead a claim
Y93H9Actvty,oth w exter property & land maint, bldg and constructNoneCannot lead a claim
Y93I1Activity, roller coaster ridingNoneCannot lead a claim
Y93I9Activity, other involving external motionNoneCannot lead a claim
Y93J1Activity, piano playingNoneCannot lead a claim
Y93J2Activity, drum and other percussion instrument playingNoneCannot lead a claim
Y93J3Activity, string instrument playingNoneCannot lead a claim
Y93J4Activity, winds and brass instrument playingNoneCannot lead a claim
Y93K1Activity, walking an animalNoneCannot lead a claim
Y93K2Activity, milking an animalNoneCannot lead a claim
Y93K3Activity, grooming and shearing an animalNoneCannot lead a claim
Y93K9Activity, other involving animal careNoneCannot lead a claim
Y93L1Activity, splitting woodNoneCannot lead a claim
Y93L9Activity, other outdoor activityNoneCannot lead a claim
Y95Nosocomial conditionNoneCannot lead a claim
Y990Civilian activity done for income or payNoneCannot lead a claim
Y991Military activityNoneCannot lead a claim
Y992Volunteer activityNoneCannot lead a claim
Y998Other external cause statusNoneCannot lead a claim
Y999Unspecified external cause statusNoneCannot lead a claim

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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