SINUS, ETHMOID (67311)    ICDO TOPOGRAPHY (164)

Name Value
NAME SINUS, ETHMOID
SURGERY CODING OTHER/MISCELLANEOUS
CODE C31.1
DEFAULT PRIMARY SITE GROUP NASAL CAVITY/SINUS/EAR
5TH EDITION T-CODES
  • CBA
    CODE:   TX
  • NET
    CODE:   T0
  • Carcinoma 'in situ'
    CODE:   Tis
  • Ethmoid w/wo bone erosion
    CODE:   T1
  • Nasal cavity
    CODE:   T2
  • Anterior orbit/maxillary sinus
    CODE:   T3
  • Intracranial/orbital ext inc apex
    CODE:   T4
  • NA
    CODE:   NA
5TH EDITION N-CODES
  • NCA
    CODE:   NX
    ACOS CODE:   NX
  • NRN
    CODE:   N0
    ACOS CODE:   N0
  • 1 ipsilateral, 3 cm or less
    CODE:   N1
    ACOS CODE:   N1
  • N2a, N2b or N2c
    CODE:   N2
    ACOS CODE:   N2
  • 1 ipsilateral, > 3 but not > 6 cm
    CODE:   N2a
    ACOS CODE:   N2A
  • Multiple ipsilateral, none > 6 cm
    CODE:   N2b
    ACOS CODE:   N2B
  • Bilateral/contralateral, none > 6 cm
    CODE:   N2c
    ACOS CODE:   N2C
  • > 6 cm
    CODE:   N3
    ACOS CODE:   N3
  • NA
    CODE:   NA
    ACOS CODE:   NA
5TH EDITION T-CODE HELP
Primary Tumor (T)
       and/or maxillary sinus
T4  Tumor with intracranial extension,
      orbital extension including apex,
      involving sphenoid, and/or frontal
      sinus and/or skin of external nose
     
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor confined to the ethmoid with
      or without bone erosion
T2  Tumor extends into the nasal cavity
T3  Tumor extends to the anterior orbit,
SURGERY CODE GROUP-5TH ED LARYNGOPHARYNX
5TH EDITION N-CODE HELP
Regional Lymph Nodes (N)
      greatest dimension
N2b Metastasis in multiple ipsilateral lymph nodes,
      none more than 6 cm in greatest dimension
N2c Metastasis in bilateral or contralateral lymph
      nodes, none more than 6 cm in greatest dimension
N3  Metastasis in a lymph node more than 6 cm in
      greatest dimension

NX  Regional lymph nodes cannot be assessed
N0  No regional lymph node metastasis
N1  Metastasis in a single ipsilateral lymph node,
      3 cm or less in greatest dimension
N2  Choose from N2a, N2b or N2c
N2a Metastasis in a single ipsilateral lymph node
      more than 3 cm but not more than 6 cm in
6TH EDITION (T) CODES
  • DESCRIPTION:   CBA
    CODE:   TX
  • DESCRIPTION:   NET
    CODE:   T0
  • DESCRIPTION:   CIS
    CODE:   Tis
  • DESCRIPTION:   1 subsite, w/wo bony invasion
    CODE:   T1
  • DESCRIPTION:   2 subsites, w/wo bony invasion
    CODE:   T2
  • DESCRIPTION:   Medial wall or floor of orbit, maxillary sinus, etc.
    CODE:   T3
  • DESCRIPTION:   Anterior orbital contents, skin of nose etc.
    CODE:   T4a
  • DESCRIPTION:   Orbital apex, dura, brain, middle cranial fossa, etc.
    CODE:   T4b
  • DESCRIPTION:   NA
    CODE:   NA
6TH EDITION (T) CODE HELP
Primary Tumor (T)
      the nasoethmoidal complex, with or without bony
      invasion
T3  Tumor extends to invade the medial wall or
      floor of the orbit, maxillary sinus, palate, or
      cribriform plate
T4a Tumor invades any of the following:
      anterior orbital contents, skin of nose or cheek,
      minimal extension to anterior fossa, pterygoid,
      plates, sphenoid or frontal sinuses
T4b Tumor invades any of the following: orbital
     
      apex, dura, brain, middle cranial fossa, cranial
      nerves other than (V2), nasopharynx, or clivus
TX  Primary tumor cannot be assessed
T0  No evidence of primary tumor
Tis Carcinoma 'in situ'
T1  Tumor restricted to any 1 subsite, with or
      without bony invasion
T2  Tumor invading 2 subsites in a single region
      or extending to involve an adjacent region within
7TH EDITION (T) CODES
  • T-CODE:   X
  • T-CODE:   IS
  • T-CODE:   4A
  • T-CODE:   4B
7TH EDITION (T) CODE HELP
Primary Tumor (T)
T3   Tumor extends to invade the medial wall or floor of the orbit,
     maxillary sinus, palate, or cribriform plate
T4a  Moderately advanced local disease.
       Tumor invades any of the following: anterior orbital contents, skin
       of nose or cheek, minimal extension to anterior cranial fossa,
       pterygoid plates, sphenoid or frontal sinuses
T4b  Very advanced local disease.
       Tumor invades any of the following: orbital apex, dura, brain,
       middle cranial fossa, cranial nerves other than (V2), nasopharynx,
       or clivus
 
TX   Primary tumor cannot be assessed
T0   No evidence of primary tumor
Tis  Tis Carcinoma in situ
T1   Tumor restricted to any one subsite, with or without bony invasion
T2   Tumor invading two subsites in a single region or extending to
     involve an adjacent region within the nasoethmoidal complex, with or
     without bony invasion
7TH EDITION (N) CODES
  • N-CODE:   X
  • N-CODE:   2A
  • N-CODE:   2B
  • N-CODE:   2C
7TH EDITION (N) CODE HELP
Regional Lymph Nodes (N)
      bilateral or contralateral lymph nodes, none more than 6 cm in
      greatest dimension
N2a  Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension
N2b  Metastasis in multiple ipsilateral lymph nodes, none more than 6 cm
      in greatest dimension
N2c  Metastasis in bilateral or contralateral lymph nodes, none more than
      6 cm in greatest dimension
N3   Metastasis in a lymph node, more than 6 cm in greatest dimension
 
NX   Regional lymph nodes cannot be assessed
N0   No regional lymph node metastasis
N1   Metastasis in a single ipsilateral lymph node, 3 cm or less in
      greatest dimension
N2   Metastasis in a single ipsilateral lymph node, more than 3 cm but not
      more than 6 cm in greatest dimension, or in multiple ipsilateral
      lymph nodes, none more than 6 cm in greatest dimension, or in
T & N CODES SINUS, ETHMOID
AJCC STAGING GROUP PARANASAL SINUSES
N-CLASS ENCODING
  • NCA
    CODE:   NX
    ACOS CODE:   NX
  • NRN
    CODE:   N0
    ACOS CODE:   N0
  • 1 ipsilateral, 3 cm or less
    CODE:   N1
    ACOS CODE:   N1
  • N2a, N2b or N2c
    CODE:   N2
    ACOS CODE:   N2
  • 1 ipsilateral, > 3 but not > 6 cm
    CODE:   N2a
    ACOS CODE:   N2A
  • Multiple ipsilateral, none > 6 cm
    CODE:   N2b
    ACOS CODE:   N2B
  • Bilateral/contralateral, none > 6 cm
    CODE:   N2c
    ACOS CODE:   N2C
  • > 6 cm
    CODE:   N3
    ACOS CODE:   N3
  • NA
    CODE:   NA
    ACOS CODE:   NA
EXTENSION CODE SET-1ST ED ACCESSORY (PARANASAL) SINUSES (EXCL. MAXILLARY SINUSES)
EXTENSION CODE SET-2ND ED ACCESSORY (PARANASAL) SINUSES (EXCL. MAXILLARY SINUSES)
EXTENSION CODE SET-3RD ED ETHMOID SINUS
LYMPH NODE CODE SET-1ST ED ACCESSORY (PARANASAL) SINUSES (EXCL. MAXILLARY SINUSES)
LYMPH NODE CODE SET-2ND ED ACCESSORY (PARANASAL) SINUSES (EXCL. MAXILLARY SINUSES)
LYMPH NODE CODE SET-3RD ED ACCESSORY (PARANASAL) SINUSES (EXCL. MAXILLARY SINUSES)
SURGERY CODE SET-1ST ED SG57 OTHER/MISCELLANEOUS
SURGERY CODE SET-2ND ED SG57 OTHER/MISCELLANEOUS