ICD-10 Diagnosis Code C76.8

Malignant neoplasm of other specified ill-defined sites

Diagnosis Code C76.8

ICD-10: C76.8
Short Description: Malignant neoplasm of other specified ill-defined sites
Long Description: Malignant neoplasm of other specified ill-defined sites
This is the 2019 version of the ICD-10-CM diagnosis code C76.8

Valid for Submission
The code C76.8 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Neoplasms (C00–D48)
    • Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
      • Malignant neoplasm of other and ill-defined sites (C76)


Version 2019 Billable Code Neoplasm Malignant Primary

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code C76.8 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)

  • 826 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH MCC
  • 827 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITH CC
  • 828 - MYELOPROLIFERATIVE DISORDERS OR POORLY DIFFERENTIATED NEOPLASMS WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC

Convert to ICD-9
  • 195.8 - Malig neo site NEC (Approximate Flag)

Synonyms
  • Abdominothoracic neuroblastoma
  • Malignant tumor of ill-defined site
  • Malignant tumor of unknown origin or ill-defined site
  • Neoplasm of flank
  • Neuroblastoma
  • Overlapping malignant neoplasm of ill-defined site
  • Overlapping malignant neoplasm of multiple endocrine glands
  • pN1: Metastasis in a single ipsilateral lymph node, 3 cm or less in greatest dimension
  • pN2a category
  • pN2a: Metastasis in a single ipsilateral lymph node, more than 3 cm but not more than 6 cm in greatest dimension
  • pN2b category
  • pN2b: Metastasis in multiple ipsilateral lymph nodes, none more than 6 cm in greatest dimension
  • pN2c category
  • pN2c: Metastasis in bilateral or contralateral lymph nodes, none more than 6 cm in greatest dimension
  • pN3: Metastasis in a lymph node, more than 6 cm in greatest dimension
  • Primary malignant neoplasm of back
  • Primary malignant neoplasm of flank
  • Primary malignant neoplasm of trunk
  • T1: Aerodigestive tract tumor < 2 cm in greatest dimension
  • T1: Aerodigestive tract tumor < 2 cm in greatest dimension without extraparenchymal extension
  • T2: Aerodigestive tract tumor > 2 cm but < 4 cm in greatest dimension
  • T2: Aerodigestive tract tumor > 2 cm but < 4 cm in greatest dimension without extraparenchymal extension
  • T2: Aerodigestive tract tumor causing bone erosion or destruction, except for the posterior antral wall, including extension into hard palate and/or middle nasal meatus
  • T2: Aerodigestive tract tumor extends into nasal cavity
  • T2: Aerodigestive tract tumor extends to soft tissue of oropharynx and/or nasal fossa
  • T2: Aerodigestive tract tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility
  • T2: Aerodigestive tract tumor extends to vocal cord with normal or impaired mobility
  • T2: Aerodigestive tract tumor invades more than one subsite of hypopharynx or an adjacent site, or measures > 2 cm but < 4 cm in greatest dimension, without fixation of hemilarynx
  • T2: Aerodigestive tract tumor invades mucosa of >1 adjacent subsite of supraglottis/glottis/region outside supraglottis, without fixation of larynx
  • T2a: Aerodigestive tract tumor without parapharyngeal extension
  • T2b: Aerodigestive tract tumor with parapharyngeal extension
  • T3: Aerodigestive tract tumor > 4 cm in greatest dimension
  • T3: Aerodigestive tract tumor extends to anterior orbit and/or maxillary sinus
  • T3: Aerodigestive tract tumor having extraparenchymal extension without seventh nerve involvement, and/or > 4 cm but < 6 cm in greatest dimension
  • T3: Aerodigestive tract tumor invades any of the following: bone of posterior wall of maxillary sinus, subcutaneous tissues, skin of cheek, floor or medial wall of orbit, infratemporal fossa, pterygoid plates, ethmoid sinuses
  • T3: Aerodigestive tract tumor measures > 4 cm in greatest dimension, or with fixation of hemilarynx
  • T3: Aerodigestive tumor invades bony structures and/or paranasal sinuses
  • T4: Aerodigestive tract tumor invades adjacent structures
  • T4: Aerodigestive tract tumor invades adjacent structures
  • T4: Aerodigestive tract tumor invades orbital contents beyond the floor or medial wall including apex and/or any of the following: cribriform plate, base of skull, nasopharynx, sphenoid sinus, frontal sinus
  • T4: Aerodigestive tract tumor with intracranial extension and/or involvement of cranial nerves, infratemporal fossa, hypopharynx or orbit
  • T4: Aerodigestive tract tumor with intracranial extension, orbital extension including apex, involving sphenoid and/or frontal sinus and/or skin of nose
  • T4: Aerodigestive tumor invades base of skull, seventh nerve, and/or exceeds 6 cm in greatest dimension
  • Thoracic neuroblastoma

Tabular List of Diseases and Injuries
References found for the code C76.8 in the Tabular List of Diseases and Injuries:

  • Inclusion Terms:
    • Malignant neoplasm of overlapping ill-defined sites

Table of Neoplasms

The code C76.8 is included in the table of neoplasms by anatomical site. For each site there are six possible code numbers according to whether the neoplasm in question is malignant, benign, in situ, of uncertain behavior, or of unspecified nature. The description of the neoplasm will often indicate which of the six columns is appropriate.

Where such descriptors are not present, the remainder of the Index should be consulted where guidance is given to the appropriate column for each morphological (histological) variety listed. However, the guidance in the Index can be overridden if one of the descriptors mentioned above is present.

The Tabular must be reviewed for the complete diagnosis code.

Neoplasm, neoplastic Malignant
Primary
Malignant
Secondary
CaInSitu Benign Uncertain
Behavior
Unspecified
Behavior
»abdominopelvic
C76.8C79.8D36.7D48.7D49.89
»back NEC
C76.8C79.89D04.5D36.7D48.7D49.89
»extremity
C76.8C79.89D04.8D36.7D48.7D49.89
»flank NEC
C76.8C79.89D04.5D36.7D48.7D49.89
»limb
C76.8C79.89D04.8D36.7D48.7D49.89
»pelvo-abdominal
C76.8C79.89D09.8D36.7D48.7D49.89
»specified site NEC
C76.8C79.89D09.8D36.7D48.7D49.89
»trunk NEC
C76.8C79.89D04.5D36.7D48.7D49.89
»viscera NEC
C76.8C79.89D09.8D36.7D48.7D49.89

Information for Patients


Cancer

Also called: Carcinoma, Malignancy, Neoplasms, Tumor

Cancer begins in your cells, which are the building blocks of your body. Normally, your body forms new cells as you need them, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Tumors can be benign or malignant. Benign tumors aren't cancer while malignant ones are. Cells from malignant tumors can invade nearby tissues. They can also break away and spread to other parts of the body.

Cancer is not just one disease but many diseases. There are more than 100 different types of cancer. Most cancers are named for where they start. For example, lung cancer starts in the lung, and breast cancer starts in the breast. The spread of cancer from one part of the body to another is called metastasis. Symptoms and treatment depend on the cancer type and how advanced it is. Most treatment plans may include surgery, radiation and/or chemotherapy. Some may involve hormone therapy, immunotherapy or other types of biologic therapy, or stem cell transplantation.

NIH: National Cancer Institute

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ICD-10 Footnotes

General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Index of Diseases and Injuries Definitions

  • And - The word "and" should be interpreted to mean either "and" or "or" when it appears in a title.
  • Code also note - A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.
  • Code first - Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
  • Type 1 Excludes Notes - A type 1 Excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Type 2 Excludes Notes - A type 2 Excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • Includes Notes - This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • Inclusion terms - List of terms is included under some codes. These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • NEC "Not elsewhere classifiable" - This abbreviation in the Alphabetic Index represents "other specified". When a specific code is not available for a condition, the Alphabetic Index directs the coder to the "other specified” code in the Tabular List.
  • NOS "Not otherwise specified" - This abbreviation is the equivalent of unspecified.
  • See - The "see" instruction following a main term in the Alphabetic Index indicates that another term should be referenced. It is necessary to go to the main term referenced with the "see" note to locate the correct code.
  • See Also - A "see also" instruction following a main term in the Alphabetic Index instructs that there is another main term that may also be referenced that may provide additional Alphabetic Index entries that may be useful. It is not necessary to follow the "see also" note when the original main term provides the necessary code.
  • 7th Characters - Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
  • With - The word "with" should be interpreted to mean "associated with" or "due to" when it appears in a code title, the Alphabetic Index, or an instructional note in the Tabular List. The word "with" in the Alphabetic Index is sequenced immediately following the main term, not in alphabetical order.

Present on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

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