CS Extension

Notes

**Note**: If CS Extension code is 000 or 050, Behavior ICD-O-3 must be coded as 2. If CS Extension code is 100 or greater, Behavior ICD-O-3 must be coded as 3.
Code Description AJCC 7 T AJCC 6 T Summary Stage 1977 T Summary Stage 2000 T
000 OBSOLETE DATA CONVERTED V0203
See code 060

In situ, intraepithelial, noninvasive (flat, sessile)
ERROR: ERROR: ERROR: ERROR:
050 Noninvasive papillary, polypoid, or verrucous carcinoma NA NA IS IS
060 In situ, intraepithelial, non invasive (flat, sessile) NA NA IS IS
100 Subepithelial connective tissue (lamina propria, submucosa) invaded NA NA L L
200 Muscularis invaded NA NA L L
300 Localized, NOS NA NA L L
400 Corpus spongiosum
Periurethral muscle (sphincter)
Prostate
NA NA RE RE
600 Beyond the prostatic capsule
Bladder neck
Corpus cavernosum
Vagina, anterior or NOS
NA NA RE RE
700 Other adjacent organs, including
Bladder (excluding bladder neck)
Seminal vesicle(s)
NA NA D D
800 Further contiguous extension NA NA D D
950 No evidence of primary tumor NA NA U U
999 Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
NA NA U U