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

H65-H75 — Diseases of middle ear and mastoid

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

288

No clinical group

84

A period cannot be grouped from these.

Barred as primary

0

CMS rejects these in the primary position.

Where these codes group

204 of the 288 codes in H65-H75 group to MMTA - Other. A further 84 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.

Code families in H65-H75

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 H65-H75

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

CodeDescriptionClinical groupPrimary position
H6500Acute serous otitis media, unspecified earNoneCannot lead a claim
H6501Acute serous otitis media, right earACan lead a claim
H6502Acute serous otitis media, left earACan lead a claim
H6503Acute serous otitis media, bilateralACan lead a claim
H6504Acute serous otitis media, recurrent, right earACan lead a claim
H6505Acute serous otitis media, recurrent, left earACan lead a claim
H6506Acute serous otitis media, recurrent, bilateralACan lead a claim
H6507Acute serous otitis media, recurrent, unspecified earNoneCannot lead a claim
H65111Acute and subacute allergic otitis media (serous), r earACan lead a claim
H65112Acute and subacute allergic otitis media (serous), left earACan lead a claim
H65113Acute and subacute allergic otitis media (serous), biACan lead a claim
H65114Acute and subacute allergic otitis media, recur, r earACan lead a claim
H65115Acute and subacute allergic otitis media, recur, left earACan lead a claim
H65116Acute and subacute allergic otitis media (serous), recur, biACan lead a claim
H65117Acute and subacute allergic otitis media, recur, unsp earNoneCannot lead a claim
H65119Acute and subacute allergic otitis media (serous), unsp earNoneCannot lead a claim
H65191Other acute nonsuppurative otitis media, right earACan lead a claim
H65192Other acute nonsuppurative otitis media, left earACan lead a claim
H65193Other acute nonsuppurative otitis media, bilateralACan lead a claim
H65194Oth acute nonsuppurative otitis media, recurrent, right earACan lead a claim
H65195Other acute nonsuppurative otitis media, recurrent, left earACan lead a claim
H65196Oth acute nonsuppurative otitis media, recurrent, bilateralACan lead a claim
H65197Other acute nonsuppurative otitis media recurrent, unsp earNoneCannot lead a claim
H65199Other acute nonsuppurative otitis media, unspecified earNoneCannot lead a claim
H6520Chronic serous otitis media, unspecified earNoneCannot lead a claim
H6521Chronic serous otitis media, right earACan lead a claim
H6522Chronic serous otitis media, left earACan lead a claim
H6523Chronic serous otitis media, bilateralACan lead a claim
H6530Chronic mucoid otitis media, unspecified earNoneCannot lead a claim
H6531Chronic mucoid otitis media, right earACan lead a claim
H6532Chronic mucoid otitis media, left earACan lead a claim
H6533Chronic mucoid otitis media, bilateralACan lead a claim
H65411Chronic allergic otitis media, right earACan lead a claim
H65412Chronic allergic otitis media, left earACan lead a claim
H65413Chronic allergic otitis media, bilateralACan lead a claim
H65419Chronic allergic otitis media, unspecified earNoneCannot lead a claim
H65491Other chronic nonsuppurative otitis media, right earACan lead a claim
H65492Other chronic nonsuppurative otitis media, left earACan lead a claim
H65493Other chronic nonsuppurative otitis media, bilateralACan lead a claim
H65499Other chronic nonsuppurative otitis media, unspecified earNoneCannot lead a claim
H6590Unspecified nonsuppurative otitis media, unspecified earNoneCannot lead a claim
H6591Unspecified nonsuppurative otitis media, right earACan lead a claim
H6592Unspecified nonsuppurative otitis media, left earACan lead a claim
H6593Unspecified nonsuppurative otitis media, bilateralACan lead a claim
H66001Acute suppr otitis media w/o spon rupt ear drum, right earACan lead a claim
H66002Acute suppr otitis media w/o spon rupt ear drum, left earACan lead a claim
H66003Acute suppr otitis media w/o spon rupt ear drum, bilateralACan lead a claim
H66004Ac suppr otitis media w/o spon rupt ear drum, recur, r earACan lead a claim
H66005Ac suppr otitis media w/o spon rupt ear drum, recur, l earACan lead a claim
H66006Acute suppr otitis media w/o spon rupt ear drum, recur, biACan lead a claim
H66007Ac suppr otitis media w/o spon rupt ear drum,recur, unsp earNoneCannot lead a claim
H66009Acute suppr otitis media w/o spon rupt ear drum, unsp earNoneCannot lead a claim
H66011Acute suppr otitis media w spon rupt ear drum, right earACan lead a claim
H66012Acute suppr otitis media w spon rupt ear drum, left earACan lead a claim
H66013Acute suppr otitis media w spon rupt ear drum, bilateralACan lead a claim
H66014Acute suppr otitis media w spon rupt ear drum, recur, r earACan lead a claim
H66015Acute suppr otitis media w spon rupt ear drum, recur, l earACan lead a claim
H66016Acute suppr otitis media w spon rupt ear drum, recurrent, biACan lead a claim
H66017Ac suppr otitis media w spon rupt ear drum, recur, unsp earNoneCannot lead a claim
H66019Acute suppr otitis media w spon rupt ear drum, unsp earNoneCannot lead a claim
H6610Chronic tubotympanic suppurative otitis media, unspecifiedNoneCannot lead a claim
H6611Chronic tubotympanic suppurative otitis media, right earACan lead a claim
H6612Chronic tubotympanic suppurative otitis media, left earACan lead a claim
H6613Chronic tubotympanic suppurative otitis media, bilateralACan lead a claim
H6620Chronic atticoantral suppurative otitis media, unsp earNoneCannot lead a claim
H6621Chronic atticoantral suppurative otitis media, right earACan lead a claim
H6622Chronic atticoantral suppurative otitis media, left earACan lead a claim
H6623Chronic atticoantral suppurative otitis media, bilateralACan lead a claim
H663X1Other chronic suppurative otitis media, right earACan lead a claim
H663X2Other chronic suppurative otitis media, left earACan lead a claim
H663X3Other chronic suppurative otitis media, bilateralACan lead a claim
H663X9Other chronic suppurative otitis media, unspecified earNoneCannot lead a claim
H6640Suppurative otitis media, unspecified, unspecified earNoneCannot lead a claim
H6641Suppurative otitis media, unspecified, right earACan lead a claim
H6642Suppurative otitis media, unspecified, left earACan lead a claim
H6643Suppurative otitis media, unspecified, bilateralACan lead a claim
H6690Otitis media, unspecified, unspecified earNoneCannot lead a claim
H6691Otitis media, unspecified, right earACan lead a claim
H6692Otitis media, unspecified, left earACan lead a claim
H6693Otitis media, unspecified, bilateralACan lead a claim
H671Otitis media in diseases classified elsewhere, right earNoneCannot lead a claim
H672Otitis media in diseases classified elsewhere, left earNoneCannot lead a claim
H673Otitis media in diseases classified elsewhere, bilateralNoneCannot lead a claim
H679Otitis media in diseases classified elsewhere, unsp earNoneCannot lead a claim
H68001Unspecified Eustachian salpingitis, right earACan lead a claim
H68002Unspecified Eustachian salpingitis, left earACan lead a claim
H68003Unspecified Eustachian salpingitis, bilateralACan lead a claim
H68009Unspecified Eustachian salpingitis, unspecified earNoneCannot lead a claim
H68011Acute Eustachian salpingitis, right earACan lead a claim
H68012Acute Eustachian salpingitis, left earACan lead a claim
H68013Acute Eustachian salpingitis, bilateralACan lead a claim
H68019Acute Eustachian salpingitis, unspecified earNoneCannot lead a claim
H68021Chronic Eustachian salpingitis, right earACan lead a claim
H68022Chronic Eustachian salpingitis, left earACan lead a claim
H68023Chronic Eustachian salpingitis, bilateralACan lead a claim
H68029Chronic Eustachian salpingitis, unspecified earNoneCannot lead a claim
H68101Unspecified obstruction of Eustachian tube, right earACan lead a claim
H68102Unspecified obstruction of Eustachian tube, left earACan lead a claim
H68103Unspecified obstruction of Eustachian tube, bilateralACan lead a claim
H68109Unspecified obstruction of Eustachian tube, unspecified earNoneCannot lead a claim
H68111Osseous obstruction of Eustachian tube, right earACan lead a claim
H68112Osseous obstruction of Eustachian tube, left earACan lead a claim
H68113Osseous obstruction of Eustachian tube, bilateralACan lead a claim
H68119Osseous obstruction of Eustachian tube, unspecified earNoneCannot lead a claim
H68121Intrinsic cartilagenous obst of eustach tube, right earACan lead a claim
H68122Intrinsic cartilagenous obst of eustach tube, left earACan lead a claim
H68123Intrinsic cartilagenous obst of eustach tube, bilateralACan lead a claim
H68129Intrinsic cartilagenous obst of eustach tube, unsp earNoneCannot lead a claim
H68131Extrinsic cartilagenous obst of eustach tube, right earACan lead a claim
H68132Extrinsic cartilagenous obst of eustach tube, left earACan lead a claim
H68133Extrinsic cartilagenous obst of eustach tube, bilateralACan lead a claim
H68139Extrinsic cartilagenous obst of eustach tube, unsp earNoneCannot lead a claim
H6900Patulous Eustachian tube, unspecified earNoneCannot lead a claim
H6901Patulous Eustachian tube, right earACan lead a claim
H6902Patulous Eustachian tube, left earACan lead a claim
H6903Patulous Eustachian tube, bilateralACan lead a claim
H6980Oth disrd of Eustachian tube, unspecified earNoneCannot lead a claim
H6981Other specified disorders of Eustachian tube, right earACan lead a claim
H6982Other specified disorders of Eustachian tube, left earACan lead a claim
H6983Other specified disorders of Eustachian tube, bilateralACan lead a claim
H6990Unspecified Eustachian tube disorder, unspecified earNoneCannot lead a claim
H6991Unspecified Eustachian tube disorder, right earACan lead a claim
H6992Unspecified Eustachian tube disorder, left earACan lead a claim
H6993Unspecified Eustachian tube disorder, bilateralACan lead a claim
H70001Acute mastoiditis without complications, right earACan lead a claim
H70002Acute mastoiditis without complications, left earACan lead a claim
H70003Acute mastoiditis without complications, bilateralACan lead a claim
H70009Acute mastoiditis without complications, unspecified earNoneCannot lead a claim
H70011Subperiosteal abscess of mastoid, right earACan lead a claim
H70012Subperiosteal abscess of mastoid, left earACan lead a claim
H70013Subperiosteal abscess of mastoid, bilateralACan lead a claim
H70019Subperiosteal abscess of mastoid, unspecified earNoneCannot lead a claim
H70091Acute mastoiditis with other complications, right earACan lead a claim
H70092Acute mastoiditis with other complications, left earACan lead a claim
H70093Acute mastoiditis with other complications, bilateralACan lead a claim
H70099Acute mastoiditis with other complications, unspecified earNoneCannot lead a claim
H7010Chronic mastoiditis, unspecified earNoneCannot lead a claim
H7011Chronic mastoiditis, right earACan lead a claim
H7012Chronic mastoiditis, left earACan lead a claim
H7013Chronic mastoiditis, bilateralACan lead a claim
H70201Unspecified petrositis, right earACan lead a claim
H70202Unspecified petrositis, left earACan lead a claim
H70203Unspecified petrositis, bilateralACan lead a claim
H70209Unspecified petrositis, unspecified earNoneCannot lead a claim
H70211Acute petrositis, right earACan lead a claim
H70212Acute petrositis, left earACan lead a claim
H70213Acute petrositis, bilateralACan lead a claim
H70219Acute petrositis, unspecified earNoneCannot lead a claim
H70221Chronic petrositis, right earACan lead a claim
H70222Chronic petrositis, left earACan lead a claim
H70223Chronic petrositis, bilateralACan lead a claim
H70229Chronic petrositis, unspecified earNoneCannot lead a claim
H70811Postauricular fistula, right earACan lead a claim
H70812Postauricular fistula, left earACan lead a claim
H70813Postauricular fistula, bilateralACan lead a claim
H70819Postauricular fistula, unspecified earNoneCannot lead a claim
H70891Other mastoiditis and related conditions, right earACan lead a claim
H70892Other mastoiditis and related conditions, left earACan lead a claim
H70893Other mastoiditis and related conditions, bilateralACan lead a claim
H70899Other mastoiditis and related conditions, unspecified earNoneCannot lead a claim
H7090Unspecified mastoiditis, unspecified earNoneCannot lead a claim
H7091Unspecified mastoiditis, right earACan lead a claim
H7092Unspecified mastoiditis, left earACan lead a claim
H7093Unspecified mastoiditis, bilateralACan lead a claim
H7100Cholesteatoma of attic, unspecified earNoneCannot lead a claim
H7101Cholesteatoma of attic, right earACan lead a claim
H7102Cholesteatoma of attic, left earACan lead a claim
H7103Cholesteatoma of attic, bilateralACan lead a claim
H7110Cholesteatoma of tympanum, unspecified earNoneCannot lead a claim
H7111Cholesteatoma of tympanum, right earACan lead a claim
H7112Cholesteatoma of tympanum, left earACan lead a claim
H7113Cholesteatoma of tympanum, bilateralACan lead a claim
H7120Cholesteatoma of mastoid, unspecified earNoneCannot lead a claim
H7121Cholesteatoma of mastoid, right earACan lead a claim
H7122Cholesteatoma of mastoid, left earACan lead a claim
H7123Cholesteatoma of mastoid, bilateralACan lead a claim
H7130Diffuse cholesteatosis, unspecified earNoneCannot lead a claim
H7131Diffuse cholesteatosis, right earACan lead a claim
H7132Diffuse cholesteatosis, left earACan lead a claim
H7133Diffuse cholesteatosis, bilateralACan lead a claim
H7190Unspecified cholesteatoma, unspecified earNoneCannot lead a claim
H7191Unspecified cholesteatoma, right earACan lead a claim
H7192Unspecified cholesteatoma, left earACan lead a claim
H7193Unspecified cholesteatoma, bilateralACan lead a claim
H7200Central perforation of tympanic membrane, unspecified earNoneCannot lead a claim
H7201Central perforation of tympanic membrane, right earACan lead a claim, code first applies
H7202Central perforation of tympanic membrane, left earACan lead a claim, code first applies
H7203Central perforation of tympanic membrane, bilateralACan lead a claim, code first applies
H7210Attic perforation of tympanic membrane, unspecified earNoneCannot lead a claim
H7211Attic perforation of tympanic membrane, right earACan lead a claim, code first applies
H7212Attic perforation of tympanic membrane, left earACan lead a claim, code first applies
H7213Attic perforation of tympanic membrane, bilateralACan lead a claim, code first applies
H722X1Other marginal perforations of tympanic membrane, right earACan lead a claim, code first applies
H722X2Other marginal perforations of tympanic membrane, left earACan lead a claim, code first applies
H722X3Other marginal perforations of tympanic membrane, bilateralACan lead a claim, code first applies
H722X9Other marginal perforations of tympanic membrane, unsp earNoneCannot lead a claim
H72811Multiple perforations of tympanic membrane, right earACan lead a claim, code first applies
H72812Multiple perforations of tympanic membrane, left earACan lead a claim, code first applies
H72813Multiple perforations of tympanic membrane, bilateralACan lead a claim, code first applies
H72819Multiple perforations of tympanic membrane, unspecified earNoneCannot lead a claim
H72821Total perforations of tympanic membrane, right earACan lead a claim, code first applies
H72822Total perforations of tympanic membrane, left earACan lead a claim, code first applies
H72823Total perforations of tympanic membrane, bilateralACan lead a claim, code first applies
H72829Total perforations of tympanic membrane, unspecified earNoneCannot lead a claim
H7290Unsp perforation of tympanic membrane, unspecified earNoneCannot lead a claim
H7291Unspecified perforation of tympanic membrane, right earACan lead a claim, code first applies
H7292Unspecified perforation of tympanic membrane, left earACan lead a claim, code first applies
H7293Unspecified perforation of tympanic membrane, bilateralACan lead a claim, code first applies
H73001Acute myringitis, right earACan lead a claim
H73002Acute myringitis, left earACan lead a claim
H73003Acute myringitis, bilateralACan lead a claim
H73009Acute myringitis, unspecified earNoneCannot lead a claim
H73011Bullous myringitis, right earACan lead a claim
H73012Bullous myringitis, left earACan lead a claim
H73013Bullous myringitis, bilateralACan lead a claim
H73019Bullous myringitis, unspecified earNoneCannot lead a claim
H73091Other acute myringitis, right earACan lead a claim
H73092Other acute myringitis, left earACan lead a claim
H73093Other acute myringitis, bilateralACan lead a claim
H73099Other acute myringitis, unspecified earNoneCannot lead a claim
H7310Chronic myringitis, unspecified earNoneCannot lead a claim
H7311Chronic myringitis, right earACan lead a claim
H7312Chronic myringitis, left earACan lead a claim
H7313Chronic myringitis, bilateralACan lead a claim
H7320Unspecified myringitis, unspecified earNoneCannot lead a claim
H7321Unspecified myringitis, right earACan lead a claim
H7322Unspecified myringitis, left earACan lead a claim
H7323Unspecified myringitis, bilateralACan lead a claim
H73811Atrophic flaccid tympanic membrane, right earACan lead a claim
H73812Atrophic flaccid tympanic membrane, left earACan lead a claim
H73813Atrophic flaccid tympanic membrane, bilateralACan lead a claim
H73819Atrophic flaccid tympanic membrane, unspecified earNoneCannot lead a claim
H73821Atrophic nonflaccid tympanic membrane, right earACan lead a claim
H73822Atrophic nonflaccid tympanic membrane, left earACan lead a claim
H73823Atrophic nonflaccid tympanic membrane, bilateralACan lead a claim
H73829Atrophic nonflaccid tympanic membrane, unspecified earNoneCannot lead a claim
H73891Other specified disorders of tympanic membrane, right earACan lead a claim
H73892Other specified disorders of tympanic membrane, left earACan lead a claim
H73893Other specified disorders of tympanic membrane, bilateralACan lead a claim
H73899Oth disrd of tympanic membrane, unspecified earNoneCannot lead a claim
H7390Unspecified disorder of tympanic membrane, unspecified earNoneCannot lead a claim
H7391Unspecified disorder of tympanic membrane, right earACan lead a claim
H7392Unspecified disorder of tympanic membrane, left earACan lead a claim
H7393Unspecified disorder of tympanic membrane, bilateralACan lead a claim
H7401Tympanosclerosis, right earACan lead a claim
H7402Tympanosclerosis, left earACan lead a claim
H7403Tympanosclerosis, bilateralACan lead a claim
H7409Tympanosclerosis, unspecified earNoneCannot lead a claim
H7411Adhesive right middle ear diseaseACan lead a claim
H7412Adhesive left middle ear diseaseACan lead a claim
H7413Adhesive middle ear disease, bilateralACan lead a claim
H7419Adhesive middle ear disease, unspecified earNoneCannot lead a claim
H7420Discontinuity and dislocation of ear ossicles, unsp earNoneCannot lead a claim
H7421Discontinuity and dislocation of right ear ossiclesACan lead a claim
H7422Discontinuity and dislocation of left ear ossiclesACan lead a claim
H7423Discontinuity and dislocation of ear ossicles, bilateralACan lead a claim
H74311Ankylosis of ear ossicles, right earACan lead a claim
H74312Ankylosis of ear ossicles, left earACan lead a claim
H74313Ankylosis of ear ossicles, bilateralACan lead a claim
H74319Ankylosis of ear ossicles, unspecified earNoneCannot lead a claim
H74321Partial loss of ear ossicles, right earACan lead a claim
H74322Partial loss of ear ossicles, left earACan lead a claim
H74323Partial loss of ear ossicles, bilateralACan lead a claim
H74329Partial loss of ear ossicles, unspecified earNoneCannot lead a claim
H74391Other acquired abnormalities of right ear ossiclesACan lead a claim
H74392Other acquired abnormalities of left ear ossiclesACan lead a claim
H74393Other acquired abnormalities of ear ossicles, bilateralACan lead a claim
H74399Other acquired abnormalities of ear ossicles, unsp earNoneCannot lead a claim
H7440Polyp of middle ear, unspecified earNoneCannot lead a claim
H7441Polyp of right middle earACan lead a claim
H7442Polyp of left middle earACan lead a claim
H7443Polyp of middle ear, bilateralACan lead a claim
H748X1Other specified disorders of right middle ear and mastoidACan lead a claim
H748X2Other specified disorders of left middle ear and mastoidACan lead a claim
H748X3Oth disrd of middle ear and mastoid, bilateralACan lead a claim
H748X9Oth disrd of middle ear and mastoid, unspecified earNoneCannot lead a claim
H7490Unsp disorder of middle ear and mastoid, unspecified earNoneCannot lead a claim
H7491Unspecified disorder of right middle ear and mastoidNoneCannot lead a claim
H7492Unspecified disorder of left middle ear and mastoidNoneCannot lead a claim
H7493Unspecified disorder of middle ear and mastoid, bilateralNoneCannot lead a claim
H7500Mastoiditis in infec/parastc dis classd elswhr, unsp earNoneCannot lead a claim
H7501Mastoiditis in infec/parastc diseases classd elswhr, r earNoneCannot lead a claim
H7502Mastoiditis in infec/parastc dis classd elswhr, left earNoneCannot lead a claim
H7503Mastoiditis in infec/parastc diseases classd elswhr, biNoneCannot lead a claim
H7580Oth disrd of mid ear and mast in dis classd elswhr, unsp earNoneCannot lead a claim
H7581Oth disrd of r mid ear and mastoid in diseases classd elswhrNoneCannot lead a claim
H7582Oth disrd of l mid ear and mastoid in diseases classd elswhrNoneCannot lead a claim
H7583Oth disrd of mid ear and mastoid in dis classd elswhr, biNoneCannot 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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