Under California law, the list of related services – referred as “Designated Instruction and Services” – is somewhat similar and includes, but is not limited to, the following: 

1. Language, speech and hearing development and remediation. The language and speech development and remediation services may be provided by a speech-language pathology assistant as defined in subdivision (f) of Section 2530.2 of the Business and Professions Code; 
2. Audiological services; 
3. Orientation and mobility services; 
4. Instruction in the home or hospital; 
5. Adapted physical education; 
6. Physical and occupational therapy; 
7. Vision services; 
8. Specialized driver training instruction; 
9. Counseling and guidance, including rehabilitation counseling; 
10. Psychological services other than assessment and development of the Individualized Education Program; 
11. Parent counseling and training; 
12. Health and nursing services, including school nurse services designed to enable an individual with exceptional needs to receive a free appropriate public education as described in the IEP; 
13. Social worker services; 
14. Specially designed vocational education and career development; 
15. Recreation services; and 
16. Specialized services for low-incidence disabilities, such as readers, transcribers, and vision and hearing services.^[1]
17. Interpreting services.^[2]

California regulations further define many of these services, add a few more examples of related services, and specify the qualifications of the providers of these services as follows:

1. Language, Speech and Hearing Development and Remediation^[3]
2. Audiological Services^[4]
3. Orientation and Mobility Instruction^[5]
4. Instruction in the Home or Hospital^[6]
5. Adapted Physical Education^[7] (Adapted Physical Education is actually considered special education, not a related service, under federal law.^[8]) 
6. Physical and Occupational Therapy^[9]
7. Vision Services^[10]
8. Vision Therapy^[11]
9. Specialized Driver Training Instruction^[12]
10. Counseling and Guidance Services^[13]
11. Psychological Services other than Assessment and Development of the IEP^[14]
12. Parent Counseling and Training^[15]
13. Health and Nursing Services^[16]
14. Social Worker Services^[17]
15. Specially Designed Vocational Education and Career Development^[18] (Vocational Education is another service identified by federal law as special education.^[19].) 
16. Recreation Services^[20]
17. Specialized Services for Low-Incidence Disabilities^[21]
18. Services for Students with Chronic Illnesses or Acute Health Problems^[22]
19. Designated Instruction and Services for the Deaf and Hard of Hearing^[23]
20. Specialized Services for Pupils with Chronic Illnesses or Acute Health Problems ^[24]
21. Related Services for the Deaf and Hard of Hearing^[25]
22. Assistive Technology Services^[26]
23. Music Therapy^[27]
24. Transcription Services^[28]

1. California Education Code (Cal. Ed. Code) Secs. 56000.5 & 56026.5.[↩]
2. Cal. Ed. Code Sec. 56363(b).[↩]
3. 5 California Code of Regulations (C.C.R.) Sec. 3051.1 and 3051.24[↩]
4. 5 C.C.R. Sec. 3051.2.[↩]
5. 5 C.C.R. Sec. 3051.3.[↩]
6. 5 C.C.R. Sec. 3051.4.[↩]
7. 5 C.C.R. Sec. 3051.5.[↩]
8. See 34 C.F.R. Sec. 300.39.[↩]
9. 5 C.C.R. Sec. 3051.6.[↩]
10. 5 C.C.R. Sec. 3051.7.[↩]
11. 5 C.C.R. Sec. 3051.75.[↩]
12. 5 C.C.R. Sec. 3051.8.[↩]
13. 5 C.C.R. Sec. 3051.9.[↩]
14. 5 C.C.R. Sec. 3051.10.[↩]
15. 5 C.C.R. Sec. 3051.11.[↩]
16. 5 C.C.R. Sec. 3051.12.[↩]
17. 5 C.C.R. Sec. 3051.13.[↩]
18. 5 C.C.R. Sec. 3051.14.[↩]
19. See 34 C.F.R. Sec. 300.39.[↩]
20. 5 C.C.R. Sec. 3051.15.[↩]
21. 5 C.C.R. Sec. 3051.16.[↩]
22. 5 C.C.R. Sec. 3051.17.[↩]
23. 5 C.C.R. Sec. 3051.18.[↩]
24. California Code of Regulations (C.C.R.) Sec. 3051.17.[↩]
25. C.C.R. Sec. 3051.18.[↩]
26. C.C.R. Sec. 3051.19.[↩]
27. C.C.R. Sec. 3051.21.[↩]
28. C.C.R. Sec. 3051.22.[↩]