Upcoming — these changes take effect October 1, 2026. Codes are not yet active.

FY2027

ICD-10-CM code changes

Effective October 1, 2026

+238

Added

-21

Deleted

4

Revised

263

Total

Added (238)

  • C78.31

    Secondary malignant neoplasm of larynx

  • C78.32

    Secondary malignant neoplasm of pharynx

  • C79.83

    Secondary malignant neoplasm of oral cavity

  • D69.11

    Glanzmann thrombasthenia

  • D69.19

    Other qualitative platelet defects

  • E89.83

    Postprocedural hypoglycemia following a procedure

  • E89.830

    Post bariatric hypoglycemia

  • E89.838

    Other postprocedural hypoglycemia

  • F64.A

    Gender identity disorder, in remission

  • I42.00

    Dilated cardiomyopathy, unspecified

  • I42.01

    Familial-genetic dilated cardiomyopathy

  • I42.09

    Other dilated cardiomyopathy

  • I42.81

    Arrhythmogenic cardiomyopathy

  • I42.89

    Other cardiomyopathies not elsewhere classified

  • I47.22

    Catecholaminergic polymorphic ventricular tachycardia [CPVT]

  • I49.81

    Brugada syndrome

  • I49.82

    Ventricular bigeminy

  • I49.89

    Other specified cardiac arrhythmias not elsewhere classified

  • J34.83

    Odontogenic sinusitis

  • J34.830

    Odontogenic sinusitis, maxillary sinus

  • J34.831

    Odontogenic sinusitis, ethmoid sinus

  • J34.832

    Odontogenic sinusitis, frontal sinus

  • J34.833

    Odontogenic sinusitis, sphenoid sinus

  • J34.839

    Odontogenic sinusitis, unspecified

  • J4B

    Pulmonary mycetoma

  • K31.B

    Hypertrophic pyloric stenosis, in childhood

  • K6A

    Diseases of the pelvis, not elsewhere classified

  • K6A.0

    Pelvic abscess

  • K6A.01

    Prevesical abscess

  • K6A.09

    Other pelvic abscess

  • K6A.8

    Other diseases of the pelvis, not elsewhere classified

  • K74.0A

    Hepatic fibrosis, moderate fibrosis

  • K76.83

    Intestinal failure-associated liver disease

  • L02.237

    Carbuncle of flank

  • M04.3

    VEXAS syndrome

  • M67.A

    Plantar fasciitis

  • M67.A0

    Plantar fasciitis, foot

  • M67.A01

    Plantar fasciitis, right foot

  • M67.A02

    Plantar fasciitis, left foot

  • M67.A09

    Plantar fasciitis, unspecified foot

  • M72.20

    Plantar fascial fibromatosis, unspecified foot

  • M72.21

    Plantar fascial fibromatosis, right foot

  • M72.22

    Plantar fascial fibromatosis, left foot

  • M86.8X11

    Other osteomyelitis, right shoulder

  • M86.8X12

    Other osteomyelitis, left shoulder

  • M86.8X19

    Other osteomyelitis, unspecified shoulder

  • M86.8X21

    Other osteomyelitis, right upper arm

  • M86.8X22

    Other osteomyelitis, left upper arm

  • M86.8X29

    Other osteomyelitis, unspecified upper arm

  • M86.8X31

    Other osteomyelitis, right forearm

  • M86.8X32

    Other osteomyelitis, left forearm

  • M86.8X39

    Other osteomyelitis, unspecified forearm

  • M86.8X41

    Other osteomyelitis, right hand

  • M86.8X42

    Other osteomyelitis, left hand

  • M86.8X49

    Other osteomyelitis, unspecified hand

  • M86.8X51

    Other osteomyelitis, right thigh

  • M86.8X52

    Other osteomyelitis, left thigh

  • M86.8X59

    Other osteomyelitis, unspecified thigh

  • M86.8X61

    Other osteomyelitis, right lower leg

  • M86.8X62

    Other osteomyelitis, left lower leg

  • M86.8X69

    Other osteomyelitis, unspecified lower leg

  • M86.8X71

    Other osteomyelitis, right ankle and foot

  • M86.8X72

    Other osteomyelitis, left ankle and foot

  • M86.8X79

    Other osteomyelitis, unspecified ankle and foot

  • M86.8X80

    Other osteomyelitis, skull

  • M86.8X81

    Other osteomyelitis, face and sinuses

  • M86.8X89

    Other osteomyelitis, other site

  • N99.86

    Intraop and postproc complications and disorders of breast

  • N99.860

    Intraoperative and postprocedural nipple ischemia

  • N99.861

    Intraoperative and postprocedural nipple necrosis

  • O00.12

    Interstit ectopic pregnancy without intrauterine pregnancy

  • O00.121

    Right interstit ectopic pregnancy without uterin pregnancy

  • O00.122

    Left interstit ectopic pregnancy without uterin pregnancy

  • O00.129

    Unsp interstit ectopic pregnancy without uterin pregnancy

  • O00.13

    Interstitial ectopic pregnancy with intrauterine pregnancy

  • O00.131

    Right interstit ectopic pregnancy with uterin pregnancy

  • O00.132

    Left interstit ectopic pregnancy with intrauterine pregnancy

  • O00.139

    Unsp interstit ectopic pregnancy with uterin pregnancy

  • O00.3

    Cesarean scar ectopic pregnancy

  • O00.31

    Cesarean scar ectopic pregnancy without uterin pregnancy

  • O00.32

    Cesarean scar ectopic pregnancy with intrauterine pregnancy

  • O00.4

    Cervical ectopic pregnancy

  • O00.41

    Cervical ectopic pregnancy without intrauterine pregnancy

  • O00.42

    Cervical ectopic pregnancy with intrauterine pregnancy

  • O00.5

    Cornual ectopic pregnancy

  • O00.51

    Cornual ectopic pregnancy without intrauterine pregnancy

  • O00.511

    Right cornual ectopic pregnancy without uterin pregnancy

  • O00.512

    Left cornual ectopic pregnancy without uterin pregnancy

  • O00.519

    Unsp cornual ectopic pregnancy without uterin pregnancy

  • O00.52

    Cornual ectopic pregnancy with intrauterine pregnancy

  • O00.521

    Right cornual ectopic pregnancy with intrauterine pregnancy

  • O00.522

    Left cornual ectopic pregnancy with intrauterine pregnancy

  • O00.529

    Unspecified cornual ectopic pregnancy with uterin pregnancy

  • O31.4

    Cont preg after vanishing twin syndrome of one fetus or more

  • O31.40

    Cont preg aft vanishing twin syn one fts or more, unsp tri

  • O31.40X0

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,unsp

  • O31.40X1

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,fts1

  • O31.40X2

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,fts2

  • O31.40X3

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,fts3

  • O31.40X4

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,fts4

  • O31.40X5

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,fts5

  • O31.40X9

    Cont preg aft vanishing twin syn 1 fts or more,unsp tri,oth

  • O31.41

    Cont preg aft vanishing twin syn of one fts or more, 1st tri

  • O31.41X0

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,unsp

  • O31.41X1

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,fts1

  • O31.41X2

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,fts2

  • O31.41X3

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,fts3

  • O31.41X4

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,fts4

  • O31.41X5

    Cont preg aft vanishing twin syn 1 fts or more,1st tri,fts5

  • O31.41X9

    Cont preg aft vanishing twin syn 1 fts or more, 1st tri, oth

  • O31.42

    Cont preg aft vanishing twin syn of one fts or more, 2nd tri

  • O31.42X0

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,unsp

  • O31.42X1

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,fts1

  • O31.42X2

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,fts2

  • O31.42X3

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,fts3

  • O31.42X4

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,fts4

  • O31.42X5

    Cont preg aft vanishing twin syn 1 fts or more,2nd tri,fts5

  • O31.42X9

    Cont preg aft vanishing twin syn 1 fts or more, 2nd tri, oth

  • O31.43

    Cont preg aft vanishing twin syn of one fts or more, 3rd tri

  • O31.43X0

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,unsp

  • O31.43X1

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,fts1

  • O31.43X2

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,fts2

  • O31.43X3

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,fts3

  • O31.43X4

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,fts4

  • O31.43X5

    Cont preg aft vanishing twin syn 1 fts or more,3rd tri,fts5

  • O31.43X9

    Cont preg aft vanishing twin syn 1 fts or more, 3rd tri, oth

  • Q87.A

    Loeys-Dietz syndrome

  • QA1

    Genetic disorders associated with neoplasms, NEC

  • QA1.7

    Inherited neoplasm predisposition synd w mult systems, NEC

  • QA1.71

    Lynch syndrome

  • QA1.79

    Other inherited neoplm predisposition synd of mult systems

  • QA1.790

    Familial cancer syndrome with pathogenic BRCA1 mutation

  • QA1.791

    Familial cancer syndrome with pathogenic BRCA2 mutation

  • QA1.792

    Li Fraumeni syndrome

  • QA1.798

    Other inherited neoplm predisposition synd of mult systems

  • R78.72

    Abnormal gadolinium level in blood

  • T52.81

    Toxic effects of alkenes

  • T52.811

    Toxic effect of alkenes, accidental (unintentional)

  • T52.811A

    Toxic effect of alkenes, accidental (unintentional), init

  • T52.811D

    Toxic effect of alkenes, accidental (unintentional), subs

  • T52.811S

    Toxic effect of alkenes, accidental (unintentional), sequela

  • T52.812

    Toxic effect of alkenes, intentional self-harm

  • T52.812A

    Toxic effect of alkenes, self-harm, initial encounter

  • T52.812D

    Toxic effect of alkenes, self-harm, subsequent encounter

  • T52.812S

    Toxic effect of alkenes, intentional self-harm, sequela

  • T52.813

    Toxic effect of alkenes, assault

  • T52.813A

    Toxic effect of alkenes, assault, initial encounter

  • T52.813D

    Toxic effect of alkenes, assault, subsequent encounter

  • T52.813S

    Toxic effect of alkenes, assault, sequela

  • T52.814

    Toxic effect of alkenes, undetermined

  • T52.814A

    Toxic effect of alkenes, undetermined, initial encounter

  • T52.814D

    Toxic effect of alkenes, undetermined, subsequent encounter

  • T52.814S

    Toxic effect of alkenes, undetermined, sequela

  • T52.82

    Toxic effects of cycloparaffins

  • T52.821

    Toxic effect of cycloparaffins, accidental (unintentional)

  • T52.821A

    Toxic effect of cycloparaffins, accidental, init

  • T52.821D

    Toxic effect of cycloparaffins, accidental, subs

  • T52.821S

    Toxic effect of cycloparaffins, accidental, sequela

  • T52.822

    Toxic effect of cycloparaffins, intentional self-harm

  • T52.822A

    Toxic effect of cycloparaffins, self-harm, initial encounter

  • T52.822D

    Toxic effect of cycloparaffins, self-harm, subs

  • T52.822S

    Toxic effect of cycloparaffins, self-harm, sequela

  • T52.823

    Toxic effect of cycloparaffins, assault

  • T52.823A

    Toxic effect of cycloparaffins, assault, initial encounter

  • T52.823D

    Toxic effect of cycloparaffins, assault, subs

  • T52.823S

    Toxic effect of cycloparaffins, assault, sequela

  • T52.824

    Toxic effect of cycloparaffins, undetermined

  • T52.824A

    Toxic effect of cycloparaffins, undetermined, init

  • T52.824D

    Toxic effect of cycloparaffins, undetermined, subs

  • T52.824S

    Toxic effect of cycloparaffins, undetermined, sequela

  • T52.89

    Toxic effects of other organic solvents

  • T52.891

    Toxic effect of other organic solvents, accidental

  • T52.891A

    Toxic effect of other organic solvents, accidental, init

  • T52.891D

    Toxic effect of other organic solvents, accidental, subs

  • T52.891S

    Toxic effect of other organic solvents, accidental, sequela

  • T52.892

    Toxic effect of other organic solvents, self-harm

  • T52.892A

    Toxic effect of other organic solvents, self-harm, init

  • T52.892D

    Toxic effect of other organic solvents, self-harm, subs

  • T52.892S

    Toxic effect of other organic solvents, self-harm, sequela

  • T52.893

    Toxic effect of other organic solvents, assault

  • T52.893A

    Toxic effect of other organic solvents, assault, init

  • T52.893D

    Toxic effect of other organic solvents, assault, subs

  • T52.893S

    Toxic effect of other organic solvents, assault, sequela

  • T52.894

    Toxic effect of other organic solvents, undetermined

  • T52.894A

    Toxic effect of other organic solvents, undetermined, init

  • T52.894D

    Toxic effect of other organic solvents, undetermined, subs

  • T52.894S

    Toxic effect of other organic solvents, undet, sequela

  • T59.82

    Toxic effects of hexamethylene diisocyanate

  • T59.821

    Toxic effect of hexamethylene diisocyanate, accidental

  • T59.821A

    Toxic effect of hexamethylene diisocyanate, acc, init

  • T59.821D

    Toxic effect of hexamethylene diisocyanate, acc, subs

  • T59.821S

    Toxic effect of hexamethylene diisocyanate, acc, sequela

  • T59.822

    Toxic effect of hexamethylene diisocyanate, self-harm

  • T59.822A

    Toxic effect of hexamethylene diisocyanate, self-harm, init

  • T59.822D

    Toxic effect of hexamethylene diisocyanate, self-harm, subs

  • T59.822S

    Toxic effect of hexamethylene diisocyanate, slf-hrm, sequela

  • T59.823

    Toxic effect of hexamethylene diisocyanate, assault

  • T59.823A

    Toxic effect of hexamethylene diisocyanate, assault, init

  • T59.823D

    Toxic effect of hexamethylene diisocyanate, assault, subs

  • T59.823S

    Toxic effect of hexamethylene diisocyanate, assault, sequela

  • T59.824

    Toxic effect of hexamethylene diisocyanate, undetermined

  • T59.824A

    Toxic effect of hexamethylene diisocyanate, undet, init

  • T59.824D

    Toxic effect of hexamethylene diisocyanate, undet, subs

  • T59.824S

    Toxic effect of hexamethylene diisocyanate, undet, sequela

  • T65.85

    Toxic effect of medetomidine

  • T65.851

    Toxic effect of medetomidine, accidental (unintentional)

  • T65.851A

    Toxic effect of medetomidine, accidental, init

  • T65.851D

    Toxic effect of medetomidine, accidental, subs

  • T65.851S

    Toxic effect of medetomidine, accidental, sequela

  • T65.852

    Toxic effect of medetomidine, intentional self-harm

  • T65.852A

    Toxic effect of medetomidine, self-harm, initial encounter

  • T65.852D

    Toxic effect of medetomidine, self-harm, subs

  • T65.852S

    Toxic effect of medetomidine, intentional self-harm, sequela

  • T65.853

    Toxic effect of medetomidine, assault

  • T65.853A

    Toxic effect of medetomidine, assault, initial encounter

  • T65.853D

    Toxic effect of medetomidine, assault, subsequent encounter

  • T65.853S

    Toxic effect of medetomidine, assault, sequela

  • T65.854

    Toxic effect of medetomidine, undetermined

  • T65.854A

    Toxic effect of medetomidine, undetermined, init

  • T65.854D

    Toxic effect of medetomidine, undetermined, subs

  • T65.854S

    Toxic effect of medetomidine, undetermined, sequela

  • Z68.18

    Body mass index [BMI] 18.4 or less, adult

  • Z68.19

    Body mass index [BMI] 18.5-19.9, adult

  • Z77.013

    Contact with and (suspected) exposure to gadolinium

  • Z77.32

    Contact with and exposure to burn pits in war theater

  • Z77.33

    Contact with and (suspected) exposure to Agent Orange

  • Z77.4

    Contact with and (suspected) exposure to blast overpressure

  • Z77.40

    Contact with and exposure to unspecified blast overpressure

  • Z77.41

    Contact with and exposure to low-level blast overpressure

  • Z77.42

    Contact with and exposure to high-level blast overpressure

  • Z77.49

    Contact with and exposure to other blast overpressure

  • Z86.17

    Personal history of Clostridioides difficile infection

  • Z87.8901

    Personal history of social gender transition

  • Z87.8902

    Personal history of medical gender transition

  • Z87.8903

    Personal history of surgical gender transition

  • Z87.8904

    Personal history of intersex surgery

  • Z87.8909

    Personal history of unspecified gender transition

  • Z87.893

    Personal history of gender detransition

Deleted (21)

Revised (4)

  • L02.232

    Carbuncle of back [any part, except buttock and flank]

  • L03.312

    Cellulitis of back [any part except buttock and flank]

  • L03.322

    Acute lymphangitis of back

  • Z29.14

    Encounter for prophylactic rabies immune globulin