Speech-Language Pathology ICD-10-CM Code Changes for 2026

G31.89

Primary progressive apraxia of speech (new code)

ASHA Notes

• SLPs typically do not assign the codes from the G- series. However, SLPs may assign G31.87 when SLP is the first professional to diagnosis PPAOS.
• SLPs may report G31.87 as the medical and the treating diagnosis when applicable.
• SLPs may also use this updated ICD-10-CM code to provide additional details regarding an underlying or coexisting condition to the speech, language cognitive, swallowing, or voice disorder.
• Consult the medical record or referring physician when necessary for additional information on relevant diagnoses before reporting G31.87 as the medical diagnosis in addition to the treating diagnosis on the claim.

G35.A

Relapse-remitting multiple sclerosis (new code)

Exclude1: demyelinating disease of central nervous system, unspecified (G37.9)

G35.B0

Primary progressive multiple sclerosis, unspecified (new code)

G35.B1

Active primary progressive multiple sclerosis (new code)

Primary progressive multiple sclerosis with evidence of inflammatory disease activity

G35.B2

Non-active primary progressive multiple sclerosis (new code)

Primary progressive multiple sclerosis without evidence of inflammatory disease activity

G35.C

Secondary progressive multiple sclerosis (new code)

G35.C0

Secondary progressive multiple sclerosis, unspecified (new code)

G35.C1

Active secondary progressive multiple sclerosis (new code)

Secondary progressive multiple sclerosis with evidence of inflammatory disease activity

G35.C2

Non-active secondary progressive multiple sclerosis (new code)

Secondary progressive multiple sclerosis without evidence of inflammatory disease activity

G35.D

Multiple sclerosis, unspecified (new code)

Disseminated multiple sclerosis

Generalized multiple sclerosis

Multiple sclerosis NOS

Multiple sclerosis of brain stem

Multiple sclerosis of cord No Change

ASHA Notes

• SLPs typically do not assign codes from the G35-series, however, SLPs may report the new and revised to codes when reporting multiple sclerosis as a medical diagnosis.
• SLPs may use these updated ICD-10-CM codes to provide additional details regarding an underlying or coexisting condition to the speech, language cognitive, swallowing, or voice disorder.
• Consult the medical record or referring physician before reporting these medical diagnoses in addition to the treating diagnosis on the claim.

QA0

Neurodevelopmental disorders related to specific genetic pathogenic variants (new code)

Code also, if applicable, any associated conditions such as:

attention-deficit hyperactivity disorders (F90.-)

autism spectrum disorder (F84.0)

developmental and epileptic encephalopathy (G93.45)

epilepsy, by specific type (G40.-)

intellectual disabilities (F70-F79)

pervasive developmental disorders (F84.-)

QA0.0

Neurodevelopmental disorders related to pathogenic variants in specific genes (new code)

QA0.8

Other neurodevelopmental disorders related to pathogenic variants in other specific genes (new code)

ASHA Notes

• SLPs typically do not assign codes from the QAO-series, however, SLPs may report the new and revised codes when reporting genetic disorders as a medical diagnosis
• The conditions listed under code also should be listed when applicable.
• Consult the medical record or referring physician before reporting the underlying medical diagnoses with the treating diagnosis on the claim.