| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 2,360 | 10 | SEER |
Current telephone number with area code for the patient. Number is entered without dashes.
Codes (in addition to valid telephone number)
| 0000000000 | Patient does not have a telephone |
| 9999999999 | Telephone number unavailable or unknown |
Note: Prior to Version 5, Follow-Up Contact fields may have been used for patient current telephone in the NAACCR record layout.