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Mild
1 Service Delivery Unit Minimum of 15 30 Minutes per Week
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Moderate
2 Service Delivery Units Minimum of 31 60 Minutes per Week
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Severity of Disorder
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Impairment minimally
affects the individual's ability to communicate in school learning and/or other social situations as noted by at least one other familiar listener, such as teacher, parent, sibling, peer.
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Impairment interferes
with the individual's ability to communicate in school learning and/or other social situations as noted by at least one other familiar listener.
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Articulation/
Phonology
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Intelligible over 80% of the time in connected speech.
No more than
2 speech sound errors outside developmental guidelines. Students may be stimulable for error sounds.
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Intelligible
50-80% of the time in connected speech.
Substitutions and distortions and some omissions may be present. There is limited stimulability for the error phonemes
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Language
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The student demonstrates a deficit in receptive, expressive, or pragmatic language as measured by two or more diagnostic procedures/standardized tests.
Performance falls from 1 to 1.5 standard deviations below the mean standard score.
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The student demonstrates a deficit in receptive, expressive or pragmatic language as measured by two or more diagnostic procedures/standardized tests.
Performance falls from 1.5 to 2.5 standard deviations below the mean standard score.
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Fluency
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2 4% atypical disfluencies within a speech sample of at least 100 words.
No tension to minimal tension.
Rate and/or Prosody
Minimal interference with communication.
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5 8% atypical disfluencies within a speech sample of at least 100 words.
Noticeable tension and/or secondary characteristics are present.
Rate and/or Prosody
Limits communication
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Voice
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Voice difference including hoarseness, nasality, denasality, pitch, or intensity inappropriate for the student's age is of minimal concern to parent,
teacher, student, or physician.
Medical referral may be indicated
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Voice difference is of concern to parent, teacher, student, or physician. Voice is not appropriate for age and sex of the student.
Medical referral may be indicated.
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Severe
3 Service Delivery Units Minimum of 61 90 Minutes per Week
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Profound
5 Service Delivery Units Minimum of 91 + Minutes per Week
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Severity of Disorder
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Impairment limits the individual's ability to communicate appropriately and respond in school learning and/or social situations. Environmental and/or student concern is evident and documented.
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Impairment prevents the individual from communicating appropriately in school and/or social situations.
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Articulation/
Phonology
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Intelligible
20 49% of the time in connected speech. Deviations may range from extensive substitutions and many omissions to extensive omissions.
A limited number of phoneme classes are evidenced in a speech-language sample. Consonant sequencing is generally lacking.
Augmentative communication systems may be warranted.
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Speech is unintelligible without gestures and cues and/or knowledge of the context. Usually there are additional pathological or physiological problems, such as neuro-motor deficits or structural deviations.
Augmentative communication systems may be warranted.
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Language
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The student demonstrates a deficit in receptive, expressive or pragmatic language as measured by two or more diagnostic procedures/standardized tests
(if standardized tests can be administered). Performance is greater than 2.5 standard deviations below the mean standard score.
Augmentative communication systems may be warranted.
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The student demonstrates a deficit in receptive, expressive or pragmatic language which prevents appropriate communication in school and/or social situations.
Augmentative communication systems may be warranted.
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Fluency
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9 12% atypical disfluencies within a speech sample of at least 100 words. Excessive tension and/or secondary characteristics are present.
Rate and/or Prosody
Interferes with communication
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More than 12%
atypical disfluencies within a speech sample of at least 100 words.
Excessive tension and/or secondary characteristics are present.
Rate and/or Prosody
Prevents communication.
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Voice
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Voice difference is of concern to parent, teacher, student or physician. Voice is distinctly abnormal for age and sex of the student.
Medical referral is indicated.
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Speech is largely unintelligible due to aphonia or severe hypernasality. Extreme effort is apparent in production of speech.
Medical referral is indicated.
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Special Education
