| 91.01 | Microscopic examination of specimen from liver, biliary tract, and pancreas, bacterial smear |
| 91.02 | Microscopic examination of specimen from liver, biliary tract, and pancreas, culture |
| 91.03 | Microscopic examination of specimen from liver, biliary tract, and pancreas, culture and sensitivity |
| 91.04 | Microscopic examination of specimen from liver, biliary tract, and pancreas, parasitology |
| 91.05 | Microscopic examination of specimen from liver, biliary tract, and pancreas, toxicology |
| 91.06 | Microscopic examination of specimen from liver, biliary tract, and pancreas, cell block and Papanicolaou smear |
| 91.09 | Microscopic examination of specimen from liver, biliary tract, and pancreas, other microscopic examination |
| 91.11 | Microscopic examination of peritoneal and retroperitoneal specimen, bacterial smear |
| 91.12 | Microscopic examination of peritoneal and retroperitoneal specimen, culture |
| 91.13 | Microscopic examination of peritoneal and retroperitoneal specimen, culture and sensitivity |
| 91.14 | Microscopic examination of peritoneal and retroperitoneal specimen, parasitology |
| 91.15 | Microscopic examination of peritoneal and retroperitoneal specimen, toxicology |
| 91.16 | Microscopic examination of peritoneal and retroperitoneal specimen, cell block and Papanicolaou smear |
| 91.19 | Microscopic examination of peritoneal and retroperitoneal specimen, other microscopic examination |
| 91.21 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, bacterial smear |
| 91.22 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, culture |
| 91.23 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, culture and sensitivity |
| 91.24 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, parasitology |
| 91.25 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, toxicology |
| 91.26 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, cell block and Papanicolaou smear |
| 91.29 | Microscopic examination of specimen from kidney, ureter, perirenal and periureteral tissue, other microscopic examination |
| 91.31 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, bacterial smear |
| 91.32 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, culture |
| 91.33 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, culture and sensitivity |
| 91.34 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, parasitology |
| 91.35 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, toxicology |
| 91.36 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, cell block and Papanicolaou smear |
| 91.39 | Microscopic examination of specimen from bladder, urethra, prostate, seminal vesicle, perivesical tissue, and of urine and semen, other microscopic examination |
| 91.41 | Microscopic examination of specimen from female genital tract, bacterial smear |
| 91.42 | Microscopic examination of specimen from female genital tract, culture |
| 91.43 | Microscopic examination of specimen from female genital tract, culture and sensitivity |
| 91.44 | Microscopic examination of specimen from female genital tract, parasitology |
| 91.45 | Microscopic examination of specimen from female genital tract, toxicology |
| 91.46 | Microscopic examination of specimen from female genital tract, cell block and Papanicolaou smear |
| 91.49 | Microscopic examination of specimen from female genital tract, other microscopic examination |
| 91.51 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, bacterial smear |
| 91.52 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, culture |
| 91.53 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, culture and sensitivity |
| 91.54 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, parasitology |
| 91.55 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, toxicology |
| 91.56 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, cell block and Papanicolaou smear |
| 91.59 | Microscopic examination of specimen from musculoskeletal system and of joint fluid, other microscopic examination |
| 91.61 | Microscopic examination of specimen from skin and other integument, bacterial smear |
| 91.62 | Microscopic examination of specimen from skin and other integument, culture |
| 91.63 | Microscopic examination of specimen from skin and other integument, culture and sensitivity |
| 91.64 | Microscopic examination of specimen from skin and other integument, parasitology |
| 91.65 | Microscopic examination of specimen from skin and other integument, toxicology |
| 91.66 | Microscopic examination of specimen from skin and other integument, cell block and Papanicolaou smear |
| 91.69 | Microscopic examination of specimen from skin and other integument, other microscopic examination |
| 91.71 | Microscopic examination of specimen from operative wound, bacterial smear |
| 91.72 | Microscopic examination of specimen from operative wound, culture |
| 91.73 | Microscopic examination of specimen from operative wound, culture and sensitivity |
| 91.74 | Microscopic examination of specimen from operative wound, parasitology |
| 91.75 | Microscopic examination of specimen from operative wound, toxicology |
| 91.76 | Microscopic examination of specimen from operative wound, cell block and Papanicolaou smear |
| 91.79 | Microscopic examination of specimen from operative wound, other microscopic examination |
| 91.81 | Microscopic examination of specimen from other site, bacterial smear |
| 91.82 | Microscopic examination of specimen from other site, culture |
| 91.83 | Microscopic examination of specimen from other site, culture and sensitivity |
| 91.84 | Microscopic examination of specimen from other site, parasitology |
| 91.85 | Microscopic examination of specimen from other site, toxicology |
| 91.86 | Microscopic examination of specimen from other site, cell block and Papanicolaou smear |
| 91.89 | Microscopic examination of specimen from other site, other microscopic examination |
| 91.91 | Microscopic examination of specimen from unspecified site, bacterial smear |
| 91.92 | Microscopic examination of specimen from unspecified site, culture |
| 91.93 | Microscopic examination of specimen from unspecified site, culture and sensitivity |
| 91.94 | Microscopic examination of specimen from unspecified site, parasitology |
| 91.95 | Microscopic examination of specimen from unspecified site, toxicology |
| 91.96 | Microscopic examination of specimen from unspecified site, cell block and Papanicolaou smear |
| 91.99 | Microscopic examination of specimen from unspecified site, other microscopic examination |
