What Are Some Common G-Codes?


Quick Answer

There are 14 sub-categories of G-codes, each of which correspond to a specific functional limitation. The subcategories include three G-codes apiece, one each for reporting current status, projected goal status, and discharge status, notes Functional Limitation. Common G-codes and their respective subcategories include G8978 through G8980, which pertain to Walking and Moving Around; G8984 through G8985, which pertain to Carrying, Moving, and Handling Objects; and G9161 through G9163, which pertain to Spoken Language Expression.

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The remaining G-code subcategories and their G-codes are Changing and Maintaining Body Position (G8981 through G8983); Self Care (G8987 through G8989); Other Physical Therapy/Occupational Therapy Primary Functional Limitation (G8990 through G8992); Other PT/OT Subsequent Functional Limitation (G8993 through G8995); Swallowing (G8996 through G8998); Motor Speech (G8999, G9186, and G9158); Spoken Language Comprehension (G9159 through G9161); Spoken Language Expression (G1962 through G1964); Attention (G1965 through G1967); Memory (G9168 through G9170); Voice (G9171 through G9173); and Other Speech Language Pathology (G1974 through G1976), states Functional Limitation.

Providers of physical, occupational, and speech-language therapy use G-codes on Medicare claim forms to fulfill Physician Quality Reporting System and functional limitation reporting requirements. The codes are used to track patients' conditions during the course of therapy, according to WebPT.

The three G-codes in each subcategory correspond to current status, projected goal status, and discharge status of the particular functional limitation. The therapist reports current and goal statuses at the beginning of treatment and at the end of each therapy reporting period. Reporting periods may not include more than 10 visits. At discharge, the therapist instead reports goal and discharge statuses. Therapists use severity modifiers, which each correspond to a 20 percentage point interval ranging from “CH” for 0 percent impairment, to “CN” for 100 percent impairment, to indicate degrees of partial impairment for each G-code, states Clinicient.

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